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Proofreading for rest of the book text. (#73)
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@@ -1,28 +1,28 @@
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\section{Baking in the tropics}
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Depending on the temperature your fermentation speed adapts.
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In a warmer environment everything is faster. In a colder
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environment everything is slower.
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Depending on the temperature, your fermentation speed adapts.
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In a warmer environment, everything is faster. In a colder
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environment, everything is slower.
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This includes the speed at which your sourdough ferments
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the dough but also the speed of enzymatic reactions. The
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amylase and protease enzymes work faster, making more
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sugars available and degrading the gluten proteins.
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At around 22°C in my kitchen my bulk fermentation is ready
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At around 22°C (72°F) in my kitchen my bulk fermentation is ready
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after around 10 hours. I am using around 20 percent of sourdough
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starter based on the flour. In summer times the temperatures
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in my kitchen sometimes increase to 25°C. In that case
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starter based on the flour. In summertime the temperatures
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in my kitchen sometimes increase to 25°C (77°F). In that case
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I am reducing the sourdough starter to around 10 percent.
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If I wouldn't do that my fermentation would be done after
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If I didn't do that, my fermentation would be done after
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around 4-7 hours. The problem is that the dough is quite
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unstable when fermenting at this high speed. This means
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that you are easily running into issues of overfermentation.
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that you are easily running into issues of over-fermentation.
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Finding the perfect sweet spot between fermenting enough
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and not too much is becoming much harder. Normally you might
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have a time window of 1 hour. But at the rapid speed it
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might be reduced to a time window of 20 minutes. Now at
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30°C ambient temperature things are way faster. Your bulk
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30°C (86°F), ambient temperature things are much faster. Your bulk
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fermentation might be complete in 2-4 hours when using
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10-20 percent starter. Proofing your dough in the fridge
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becomes almost impossible. As your dough cools down in the
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@@ -40,12 +40,12 @@ process significantly and provides you a bigger window
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of time. Try to aim for an overall bulk fermentation of at
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least 8-10 hours. Reduce the amount of starter to get there.
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When making a dough try to use the same water temperature
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When making dough, try to use the same water temperature
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as your ambient temperature. Assuming that the temperature
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will climb to 30°C, try to start your dough directly
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with 30°C water. This means that you can carefully rely on
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a small fermentation probe that visualizes your fermentation
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progress. The probe only works reliably if your dough temperature
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a small fermentation sample that visualizes your fermentation
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progress. The sample only works reliably if your dough temperature
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is equal to your ambient temperature. Else the sample heats
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up or cools down faster. So tread carefully when using
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the sample in this case. It's always better to stop
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@@ -59,24 +59,24 @@ lactic and acetic acid bacteria. In this case measure
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the pH repeatedly and figure out a value that works
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for your sourdough. In my case I tend to end bulk
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fermentation at a pH of around 4.1. Please don't just
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follow my pH value, it's very individual. Keep measuring
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follow my pH value; it's very individual. Keep measuring
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with different doughs to find out a value that works for you.
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\section{My bread stays flat}
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A flat bread is in most cases related to your gluten
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network breaking down fully. This is not bad, this
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means you are eating a fully fermented food. However
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from a taste and consistency perspective it might be
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network breaking down fully. This is not bad; this
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means you are eating a fully fermented food. However,
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from a taste and consistency perspective, it might be
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that your bread tastes too sour, or is not fluffy anymore.
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Please also note that you can only make bread with
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great oven spring when making wheat based doughs. When
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starting with this hobby I always wondered why my rye
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breads would turn out so flat. Rye has gluten yes, but
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breads would turn out so flat. Yes, rye has gluten, but
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small particles called {\it hemicelluloses} (arabinoxylan and beta-glucan) \cite{rye-defects}.
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prevent the dough from developing a gluten network like you can
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do with wheat. Your efforts are in vain, your dough will
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stay flat. Only spelt and wheat based doughs have the capability
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do with wheat. Your efforts are in vain, and your dough will
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stay flat. Only spelt- and wheat-based doughs have the capability
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to retain the \ch{CO2} created by the fermentation.
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In most cases something is probably off with your
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@@ -93,18 +93,18 @@ Even better could be the use of a stiff sourdough
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starter. The stiff sourdough starter boosts
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the yeast part of your starter. This allows you
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to have less bacterial fermentation, resulting
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in a stronger gluten network towards the end
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in a stronger gluten network toward the end
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of the fermentation \cite{stiff+starter}. Please
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also refer to the section ~\ref{sec:overfermented-dough} where
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I explained more about overfermented doughs. You can also
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I explained more about over-fermented doughs. You can also
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refer to section ~\ref{section:stiff-starter} with more details on
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making a stiff sourdough starter.
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Furthermore a stronger flour containing more gluten
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Furthermore, a stronger flour containing more gluten
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will help you to push the fermentation further. This
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is because your flour contains more gluten and will
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take longer to be broken down by your bacteria. Ultimately
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if fermented for too long your dough is also going
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take longer to be broken down by your bacteria. Ultimately,
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if fermented for too long, your dough is also going
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to be broken down and will become sticky and flat.
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To debug whether the excess bacterial fermentation is the issue,
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@@ -116,30 +116,30 @@ the smell of the dough. It shouldn't be too pungent.
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\section{I want more tang in my bread}
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To achieve more tang in your sourdough bread you have
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To achieve more tang in your sourdough bread, you have
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to ferment your dough for a longer period of time.
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Over time the bacteria will metabolize most of the
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ethanol created by the yeast in your dough. The bacteria
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mostly produces lactic and acetic acid. Lactic acid
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is chemically more sour than acetic acid but sometimes
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not achieved as sour. In most cases a longer fermentation
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is chemically more acidic than acetic acid but sometimes
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not perceived as sour. In most cases a longer fermentation
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is what you want. You will either need to utilize a loaf
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pan to make your dough or use a flour that can withstand
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a long fermentation period. A flour like this is typically
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called a {\it strong flour}. Stronger flours tend
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to be from wheat varieties that have be grown in more
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sunny conditions. Because of that stronger flours tend
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to be more expensive. For freestanding loaves I recommend
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to use a flour that contains at least 12 percent protein.
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Generally the more protein the longer you can ferment your dough.
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sunny conditions. Because of that, stronger flours tend
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to be more expensive. For freestanding loaves, I recommend
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using a flour that contains at least 12 percent protein.
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Generally, the more protein, the longer you can ferment your dough.
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Another option to achieve a more sour flavor could be to
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use a starter that produces more acetic acid. Based on my own
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experience, most of my pure rye starters produced stronger acetic
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notes. Chemically the acetic acid isn't as sour, but when tasting
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notes. Chemically, the acetic acid isn't as sour, but when tasting
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it will seem more sour. Make sure to use a starter that is at
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a hydration of around 100 percent. Acetic acid production
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requires oxygen. A too liquid starter tends to favor lactic
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requires oxygen. A too-liquid starter tends to favor lactic
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acid production because the flour is submerged in water, no
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oxygen can reach the fermentation after a while.
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@@ -149,29 +149,29 @@ oxygen can reach the fermentation after a while.
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\label{fig:parbaked-bread}
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\end{figure}
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Another more easier option could be to bake your sourdough
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Another easier option could be to bake your sourdough
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twice. I have observed this when shipping bread for my micro
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bakery. The idea was to bake my bread for around 30 minutes
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until it's sterilized, let it cool down and then ship it
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to customers. Once you receive it you just bake it again
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to customers. Once you receive it, you just bake it again
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for another 20-30 minutes to achieve the desired crust and
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then you can eat it. Some of the customers reported a very sour
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tasting bread. After investigating a bit more it became
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tasting bread. After investigating a bit more, it became
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crystal clear. By baking the bread twice you don't boil
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as much of the acid during the baking process. Water
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evaporates at around 100°C while acetic acid boils at
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118°C and lactic acid at 122°c. After baking for 30 minutes
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at around 230°C some of the water has started to evaporate,
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but not all the acid yet. If you were to continue to bake more
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evaporates at around 100°C (212°F) while acetic acid boils at
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118°C (244°F) and lactic acid at 122°C (252°F). After baking for 30 minutes
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at around 230°C (446°F) some of the water has started to evaporate,
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but not all the acid yet. If you were to continue to bake, more
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and more of the acid would start to evaporate. Now if you were
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to stop baking after 30 minutes, you would typically have reached
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a core temperature of around 95°C. Your dough would need
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a core temperature of around 95°C (203°F). Your dough would need
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to be cooled down again to room temperature. The crust would
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still be quite pale. Then A couple of hours later you start
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still be quite pale. Then a couple of hours later, you start
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to bake your dough again. Your crust would become nice and
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dark featuring delicious aroma. The aroma is coming from the
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maillard reaction. However the core of your dough still won't
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exceed the 118°C required to boil the acid. Overall your
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Maillard reaction. However, the core of your dough still won't
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exceed the 118°C required to boil the acid. Overall, your
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bread will be more sour. The enhanced acidity also helps
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to prevent pathogens from entering your bread. The bread
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will be good for a longer period of time. That's why
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@@ -186,38 +186,38 @@ is personal preference. To achieve a less sour bread
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you need to ferment for a shorter period of time.
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The yeast produces \ch{CO2} and ethanol. Both yeast and
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bacteria consume the sugars released by the amylase enzyme
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in your dough. When the sugar is rare bacteria starts to
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in your dough. When the sugar is depleted, bacteria starts to
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consume the leftover ethanol by the yeast. Over time more
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and more acidity is created making a more sour dough.
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and more acidity is created, making a more sour loaf.
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Another angle at this would be to change the yeast/bacteria
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ratio of your sourdough. You can start the fermentation with
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more yeast and less bacteria. This way for the same given
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volume increase of your dough you will have less acidity.
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more yeast and less bacteria. This way, for the same given
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volume increase of your dough, you will have less acidity.
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A really good trick is to make sure that you feed your starter
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once per day at room temperature. This way you shift
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the tides of your starter towards a better yeast fermentation \cite*{more+active+starter}.
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To shift the tides even further a real game changer
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To shift the tides even further, a real game changer
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to me has been to create a stiff sourdough starter. The
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stiff sourdough starter is at a hydration of around 50 percent.
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By doing so your sourdough starter will favor yeast
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activity a lot more. Your doughs will be more fluffy and will
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not as sour for a given volume increase. I tested this
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by putting condoms over different glas jars. I used
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by putting condoms over different glass jars. I used
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the same amount of flour for each of the samples.
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I tested a regular starter, a liquid starter and a stiff
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starter. The stiff starter by far created the most \ch{CO2}
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compared to the other starters. The balloons were inflated
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the most. \cite{stiff+starter}
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Another non conventional approach could be to add baking
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Another unconventional approach could be to add baking
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powder to your dough. The baking powder neutralizes the
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lactic acid and will make a much milder dough.\cite{baking+powder+reduce-acidity}
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\section{Fixing a moldy sourdough starter}
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First of all - making a moldy sourdough starter is very difficult.
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First of all, making a moldy sourdough starter is very difficult.
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It's an indicator that something might be completely off in your starter.
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Normally the symbiosis of yeast and bacteria does not allow external
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pathogens such as mold to enter your sourdough starter.
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@@ -229,34 +229,34 @@ is essentially pickled bread.
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I have seen this happening especially when the sourdough
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starter is relatively young. Each flour naturally contains
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mold spores. When beginning a sourdough starter all
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mold spores. When beginning a sourdough starter, all
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the microorganisms start to compete by metabolizing the
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flour. Mold can sometimes win the race and out compete
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flour. Mold can sometimes win the race and outcompete
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the natural wild yeast and bacteria. In that case simply
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try cultivating your sourdough starter again. If it molds
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again it might be a very moldy batch of flour. Try a different
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again, it might be a very moldy batch of flour. Try a different
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flour to begin your sourdough starter with.
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Mature sourdough starters should not mold unless the conditions
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of the starter change. I have seen mold appearing when the starter is stored
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in the fridge and the surface dried out. Also sometimes on the
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edges of your starter's container. Typically in areas where no active
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in the fridge and the surface dried out. It also sometimes forms on the
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edges of your starter's container, typically in areas where no active
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starter microorganisms can reach. Simply try to extract an
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area of your starter that has no mold. Feed it again with flour and
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water. After a few feedings your starter should be back to normal.
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Take only a tiny bit of starter. 1-2 grams are enough. They already
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water. After a few feedings, your starter should be back to normal.
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Take only a tiny bit of starter: 1-2 grams are enough. They already
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contain millions of microorganisms.
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Mold favors aerobic conditions. This means that air is required in order
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for the mold fungus to grow. Another technique that has worked for me
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was to convert my sourdough starter into a liquid starter. This successfully
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shifted my starter from acetic acid production to lactic acid production.
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Acetic acid similarly to mold requires oxygen to be produced. After
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submerging the flour with water over the time the lactic acid bacteria
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out competed the acetic acid bacteria. This is a similar concept to pickled
|
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foods. By doing this you are essentially killing all alive mold fungi. You
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Acetic acid, similarly to mold, requires oxygen to be produced. After
|
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submerging the flour with water, over time the lactic acid bacteria
|
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outcompeted the acetic acid bacteria. This is a similar concept to pickled
|
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foods. By doing this you are essentially killing all live mold fungi. You
|
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might only have some spores left. With each feeding the spores will become
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less and less. Furthermore it seems that lactic acid bacteria produce
|
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fewer and fewer. Furthermore, it seems that lactic acid bacteria produce
|
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metabolites that inhibit mold growth. \cite{mold+lactic+acid+bacteria}
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\begin{figure}[!htb]
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@@ -267,10 +267,10 @@ metabolites that inhibit mold growth. \cite{mold+lactic+acid+bacteria}
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\label{fig:fungi-lactic-acid-interactions}
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\end{figure}
|
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|
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To pickle your starter simply take a bit of your existing starter (5 grams for
|
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To pickle your starter, simply take a bit of your existing starter (5 grams for
|
||||
instance). Then feed the mixture with 20g of flour and 100g of water. You have
|
||||
created a starter a hydration of around 500 percent. Shake the mixture vigorously.
|
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After a few hours you should start seeing most of the flower near the bottom
|
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After a few hours you should start seeing most of the flour near the bottom
|
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of your container. After a while most of the oxygen from the bottom mixture
|
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is depleted and anaerobic lactic acid bacteria will start to thrive. Take a
|
||||
note of the smell your sourdough starter. If it was previously acetic
|
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@@ -282,51 +282,51 @@ to a hydration of 100 percent the mold should have been eliminated. Please note
|
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more tests should be conducted on this topic. It would be nice to really
|
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carefully analyze the microorganisms before the pickling and after.
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\section{My bread flattens out removing it from the banneton}
|
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\section{My bread flattens out when removing it from the banneton}
|
||||
|
||||
After removing your dough from the banneton your dough will always
|
||||
After removing your dough from the banneton, your dough will always
|
||||
flatten out a bit. That's because over time your gluten network
|
||||
relaxes and can no longer hold the shape. However, during the course
|
||||
of baking your dough is going to increase in size and inflate again.
|
||||
of baking, your dough is going to increase in size and inflate again.
|
||||
|
||||
If your dough however flattens out completely it's a sign that
|
||||
If your dough however flattens out completely, it's a sign that
|
||||
you have fermented your dough for too long. Please refer to ~\ref{sec:overfermented-dough}
|
||||
where I explain about overfermented doughs. Your bacteria
|
||||
where I explain about over-fermented doughs. Your bacteria
|
||||
has consumed most of your gluten network. That's why your
|
||||
dough fully collapses and stays flat during the bake. The
|
||||
\ch{CO2} and evaporating water will diffuse out of the dough.
|
||||
A related symptom is that your dough sticks to the banneton.
|
||||
When starting baking I combatted this with rice flour.
|
||||
When starting baking I combated this with rice flour.
|
||||
It works but might be a false friend. I gently rub my
|
||||
dough with a bit of non-rice flour before placing it in
|
||||
the banneton. Now then the dough starts to stick to the banneton
|
||||
the banneton. Now if the dough starts to stick to the banneton
|
||||
while I remove it I resort to a drastic measure. I immediately
|
||||
grease a loaf pan and directly place the dough inside. The loaf
|
||||
pan provides a barrier and the dough can't flatten out as much.
|
||||
The dough won't be as fluffy but super delicious if you love tangy bread.
|
||||
The dough won't be as fluffy but it will be super delicious if you love tangy bread.
|
||||
|
||||
If you own a pH meter take a note of your dough's pH before baking.
|
||||
If you own a pH meter, take a note of your dough's pH before baking.
|
||||
This will allow you to better judge your dough throughout
|
||||
the fermentation process.
|
||||
|
||||
\section{My bread flattens out during shaping}
|
||||
|
||||
Similarly to a dough flattening out after removing it from the banneton,
|
||||
a flattened dough after shaping is also a possible sign of overfermentation.
|
||||
a flattened dough after shaping is also a possible sign of over-fermentation.
|
||||
|
||||
When you try to shape the dough, can you easily tear pieces from the dough?
|
||||
If yes, you have definitely overfermented your dough. If not it might just
|
||||
If yes, you have definitely over-fermented your dough. If not, it might just
|
||||
be a sign that you have not created enough dough strength for your dough.
|
||||
A ciabatta for instance is a dough that tends to flatten out a bit after shaping.
|
||||
A ciabatta, for instance, is a dough that tends to flatten out a bit after shaping.
|
||||
|
||||
If your dough is not possible to be shaped at all use a greased loaf pan
|
||||
If your dough is not able to be shaped at all, use a greased loaf pan
|
||||
to rescue your dough. You can also cut a piece of the dough and use it
|
||||
as the starter for your next dough. Your sourdough dough is essentially
|
||||
just a gigantic starter.
|
||||
|
||||
\section{Liquid on top of my starter}
|
||||
|
||||
Sometimes a liquid in many cases black liquid gathers on top
|
||||
Sometimes a liquid, in many cases black liquid, gathers on top
|
||||
of your sourdough starter. The liquid might have a pungent
|
||||
smell to it. Many people confuse this with mold. I have seen
|
||||
bakers recommending to discard the starter because of this liquid.
|
||||
@@ -335,7 +335,7 @@ of no activity the heavier flour separates from the water. The flour
|
||||
will sit at the bottom of your jar and the liquid will stay on top.
|
||||
The liquid turns darker because some particles of the flour weigh
|
||||
less than the water and float on top. Furthermore dead microorganisms
|
||||
float in this liquid. This liquid is not a bad thing, it's actively
|
||||
float in this liquid. This liquid is not a bad thing; it's actively
|
||||
protecting your sourdough starter from aerobic mold entering through
|
||||
the top.
|
||||
|
||||
@@ -348,8 +348,8 @@ the top.
|
||||
|
||||
Simply stir your sourdough starter to homogenize the hooch back
|
||||
into your starter. The hooch will disappear. Then use a little bit of
|
||||
your sourdough starter to setup the starter for your next bread.
|
||||
Once hooch appears your starter has likely fermented for a long
|
||||
your sourdough starter to set up the starter for your next bread.
|
||||
Once hooch appears, your starter has likely fermented for a long
|
||||
period of time. It might be very sour. This state of starter
|
||||
is excellent to make discard crackers or a discard bread. Don't throw
|
||||
anything away. Your hooch is a sign that you have a long fermented
|
||||
@@ -362,7 +362,7 @@ Your sourdough starter has likely produced a lot of acetic acid.
|
||||
Acetic acid is essential when creating vinegar. Once no additional
|
||||
food is left some of your starter's bacteria will consume ethanol
|
||||
and convert it into acetic acid. Acetic acid has a very pungent smell.
|
||||
When tasting acetic acid the flavor of your bread is often perceived
|
||||
When tasting acetic acid, the flavor of your bread is often perceived
|
||||
as quite strong.
|
||||
|
||||
\begin{figure}[!htb]
|
||||
@@ -372,18 +372,18 @@ as quite strong.
|
||||
\label{fig:ethanol-oxidation}
|
||||
\end{figure}
|
||||
|
||||
This is nothing bad. But in case you would like to change
|
||||
the flavor of your final bread consider converting
|
||||
This is nothing bad. But if you would like to change
|
||||
the flavor of your final bread, consider converting
|
||||
your sourdough starter into a liquid starter. This will
|
||||
help to prioritize lactic acid producing bacteria.
|
||||
help to prioritize lactic acid-producing bacteria.
|
||||
Your flavor will change to dairy compared to vinegary.
|
||||
You can't go back though. After the conversion your starter
|
||||
will never go back to acetic acid production because you have
|
||||
changed the tides towards primarily lactic acid fermentation.
|
||||
I like to have a separate rye starter. In my experiments
|
||||
rye starters tend to feature many acetic acid bacteria.
|
||||
This starter is excellent when you want to make a very hearty
|
||||
strong tasting bread. A pure rye bread tastes excellent when
|
||||
This starter is excellent when you want to make a very hearty,
|
||||
strong-tasting bread. A pure rye bread tastes excellent when
|
||||
made with such a starter. The flavor when taking a bite
|
||||
is incredible. It nicely plays with soups as well. Just take
|
||||
a bit of this bread and dip it in your soup.
|
||||
@@ -400,33 +400,33 @@ by another process known as {\it caramelization}. Each
|
||||
color of crust offers the taster a different aroma.
|
||||
|
||||
What happens quite often is that the crust becomes chewy after a day.
|
||||
Sometimes when baking in the tropics with high humidity the
|
||||
Sometimes when baking in the tropics with high humidity, the
|
||||
crust only stays in this stage for a few hours. Afterwards
|
||||
the crust becomes chewy. It's no longer as crisped compared
|
||||
the crust becomes chewy. It's no longer as crisp compared
|
||||
to the moment after baking. Your dough still contains moisture.
|
||||
This moisture will start to homogenize in the final bread and
|
||||
partially evaporate. The result is that your crust becomes chewy.
|
||||
|
||||
Similarly when storing your bread in a container or in a plastic
|
||||
bag your crust is going to become chewy. I have no fix for this yet.
|
||||
bag, your crust is going to become chewy. I have no fix for this yet.
|
||||
I typically tend to store my breads in a plastic bag inside of my fridge.
|
||||
This allows the moisture to stay inside of bread. When taking a slice
|
||||
I always toast each slice. This way some of the crispness returns.
|
||||
If you know of a great way please reach out and I will update
|
||||
If you know of a great way, please reach out and I will update
|
||||
this book with your findings.
|
||||
|
||||
\section{My dough completely tears after a long fermentation}
|
||||
|
||||
Sometimes when touching your dough after a long fermentation
|
||||
it completely tears apart. This could be for 2 reasons. It might
|
||||
it completely tears apart. This could be for two reasons. It might
|
||||
be that the bacteria completely consumed the gluten of your flour.
|
||||
On the other hand over time your gluten network automatically
|
||||
On the other hand, over time your gluten network automatically
|
||||
degrades. This is the protease enzyme converting the gluten
|
||||
network into smaller amino acids the seedling can use as
|
||||
building blocks for its growth. This process starts to happen
|
||||
the moment you mix flour and water. The longer your dough sits
|
||||
the moment you mix flour and water. The longer your dough sits,
|
||||
the more gluten is broken down. As the gluten holds the
|
||||
wheat dough together your dough will ultimately tear.
|
||||
wheat dough together, your dough will ultimately tear.
|
||||
|
||||
\begin{figure}[!htb]
|
||||
\includegraphics[width=1.0\textwidth]{tearing-dough}
|
||||
@@ -445,33 +445,33 @@ will activate them again. In this case the dough did not ferment
|
||||
fast enough before the protease broke down the gluten. By activating
|
||||
your microbes they will start to reproduce and increase in quantity
|
||||
for as long as there is food available. But this process
|
||||
in my case was not fast enough. After around 24 hours the whole
|
||||
in my case was not fast enough. After around 24 hours, the whole
|
||||
dough just started to completely tear apart. The whole process was further
|
||||
accelerated by me using whole wheat flour. Whole wheat
|
||||
accelerated by my using whole wheat flour. Whole wheat
|
||||
contains more enzymes than white flour.
|
||||
|
||||
To fix this try to make sure that your sourdough starter is lively
|
||||
To fix this, try to make sure that your sourdough starter is lively
|
||||
and active. Simply apply a couple of more feedings in advance before
|
||||
making your dough. This way your dough becomes ready to shape
|
||||
before it has completely broken down.
|
||||
|
||||
\section{My sourdough starter is too sour}
|
||||
|
||||
A too sour sourdough starter will cause problems during
|
||||
A too-sour sourdough starter will cause problems during
|
||||
the fermentation. Your fermentation will be more on the
|
||||
bacterial side, rather than the yeast side. This means
|
||||
you will likely create a more tangy dough which isn't
|
||||
you will likely create a more tangy loaf which isn't
|
||||
as fluffy as it could be. The goal is to reach the right
|
||||
balance: Fluffy consistency from the yeast and a great
|
||||
not too strong tang from the bacteria. This depends
|
||||
balance: Fluffy consistency from the yeast and a great,
|
||||
not-too-strong tang from the bacteria. This depends
|
||||
of course on what you are looking for in terms of taste
|
||||
in your bread. When making rye bread I prefer to be more
|
||||
in your bread. When making rye bread, I prefer to be more
|
||||
on the tangy side for instance. When the described balance
|
||||
is off. the first thing to check is your sourdough starter.
|
||||
is off, the first thing to check is your sourdough starter.
|
||||
|
||||
Note the smell of your starter. Does it smell very sour?
|
||||
Taste a bit of your starter too. How sour does it taste?
|
||||
Over time every starter becomes more and more sour the longer
|
||||
Over time, every starter becomes more and more sour the longer
|
||||
you wait. But sometimes your starter becomes sour too fast.
|
||||
In this case apply daily feedings to your starter. Reduce
|
||||
the amount of old starter that you use to feed. A ratio
|
||||
@@ -502,21 +502,20 @@ balanced fermentation in the main dough.
|
||||
The doubling in size metric should be
|
||||
taken with a grain of salt when judging
|
||||
your starter. Depending on the flour
|
||||
you use to feed the starter different levels
|
||||
you use to feed the starter, different levels
|
||||
of its rising can be expected.
|
||||
For instance, if you use rye flour then only
|
||||
very little gas from the
|
||||
fermentation can be retained inside the
|
||||
starter. In consequence, your
|
||||
sourdough starter will not rise as much. It
|
||||
could be in a healthy shape
|
||||
though. If you use wheat flour with less gluten
|
||||
could still be in healthy shape. If you use wheat flour with less gluten,
|
||||
the starter will not rise as
|
||||
much too. The reason is that you have a weaker
|
||||
much either. The reason is that you have a weaker
|
||||
gluten network resulting in
|
||||
more gas dispersing out of your dough.
|
||||
|
||||
That being said it is recommended that you develop
|
||||
That being said, it is recommended that you develop
|
||||
your volume increase
|
||||
metric. Your starter will increase in size and then
|
||||
ultimately lose structure
|
||||
@@ -527,20 +526,20 @@ you should use your starter. This could be a
|
||||
percent or 200 percent. It is always better to use
|
||||
the starter a little bit
|
||||
too early rather than too late. If you use the
|
||||
starter later reduce the
|
||||
starter later, reduce the
|
||||
quantity that you use. If the recipe calls for a 20
|
||||
percent starter quantity,
|
||||
use only 10
|
||||
percent starter in that case. Your starter will
|
||||
regrow in your main dough.
|
||||
|
||||
On top of relying on the size increase start
|
||||
On top of relying on the size increase, start
|
||||
taking note of your starter's
|
||||
smell. Over time you will be able to judge its
|
||||
fermentation state based on the
|
||||
smell. The stronger the smell becomes the further
|
||||
smell. The stronger the smell becomes, the further
|
||||
your dough has fermented.
|
||||
This is a sign that you should use fewer starters
|
||||
This is a sign that you should use less starter
|
||||
when making the actual dough.
|
||||
|
||||
Please refer to section \ref{section:readying-starter} "\nameref{section:readying-starter}"
|
||||
@@ -561,7 +560,7 @@ of the autolysis while eliminating disadvantages
|
||||
such as having to knead the dough multiple times.
|
||||
|
||||
The autolysis only makes sense when you might
|
||||
bake a fast fermenting yeast-based dough with a
|
||||
bake a fast-fermenting yeast-based dough with a
|
||||
high yeast inoculation rate. But even in that
|
||||
case you could just lower the amount of yeast
|
||||
to fermentolyse rather than autolyse.
|
||||
@@ -593,7 +592,7 @@ ciabatta-style loaf.
|
||||
|
||||
When converting your starter to a liquid starter you are
|
||||
permanently altering the microbiome of your starter.
|
||||
You can not go back once you eliminated acetic
|
||||
You cannot go back once you have eliminated acetic
|
||||
acid-producing bacteria. So it is recommended to keep
|
||||
a backup of your original starter.
|
||||
|
||||
@@ -601,7 +600,7 @@ A downside to the liquid starter is the overall
|
||||
enhanced bacterial activity. This means the baked bread
|
||||
will have more acidity (but milder). The dough will degrade
|
||||
faster during fermentation. For this reason, you
|
||||
will need to use strong high gluten flour when using
|
||||
will need to use strong high-gluten flour when using
|
||||
this type of starter.
|
||||
|
||||
You can read more about the liquid starter
|
||||
@@ -610,24 +609,24 @@ in section \ref{section:liquid-starter}
|
||||
\section{My new starter doesn't rise at all}
|
||||
|
||||
Make sure that you use unchlorinated water.
|
||||
In many areas of the world tap water has
|
||||
In many areas of the world, tap water has
|
||||
chlorine added to kill microorganisms. If that's
|
||||
the case in your region bottled spring water will
|
||||
the case in your region, bottled spring water will
|
||||
help.
|
||||
|
||||
Make sure to use whole flour (whole wheat, whole rye, etc.).
|
||||
Make sure to use whole grain flour (whole wheat, whole rye, etc.).
|
||||
These flours have more natural wild yeast and
|
||||
bacterial contamination. Making a starter
|
||||
from just white flour sometimes doesn't work.
|
||||
Try to use organic unbleached flour to make
|
||||
the starter. Industrial flour can sometimes
|
||||
be treated too much with fungicides.
|
||||
be treated with fungicides.
|
||||
|
||||
\section{I made a starter, it rose on day 3 and now not anymore}
|
||||
|
||||
This is normal. As your starter is maturing different
|
||||
This is normal. As your starter is maturing, different
|
||||
microorganisms are activated. Especially during
|
||||
the first days of the process bad microbes
|
||||
the first days of the process, bad microbes
|
||||
like mold can be activated. These cause your
|
||||
starter to rise a lot. With each subsequent
|
||||
starter-feeding, you select the microbes that are best
|
||||
@@ -639,9 +638,9 @@ great discard bread out of it.
|
||||
|
||||
So just keep going and don't give up. The first big
|
||||
rise is an indicator that you are doing everything
|
||||
right. Based on my experience it takes around 7
|
||||
right. Based on my experience, it takes around 7
|
||||
days to grow a starter. As you feed your starter
|
||||
more and more it will become even better at fermenting
|
||||
more and more, it will become even better at fermenting
|
||||
flour. The first bread might not go exactly as you
|
||||
planned, but you will get there eventually. Each
|
||||
feeding makes your starter stronger and stronger.
|
||||
@@ -656,42 +655,42 @@ flour that you are using.
|
||||
|
||||
\section{What's a good level of water (hydration) to make a dough?}
|
||||
|
||||
Especially when starting to make bread use lower amounts of water. This will
|
||||
Especially when starting to make bread, use lower amounts of water. This will
|
||||
greatly simplify the whole process. I recommend using a level of around 60
|
||||
percent hydration. So for every 100 grams of flour use around 60 grams of water.
|
||||
This ballpark figure will work for most flours. With this hydration, you can
|
||||
make bread, buns, pizzas, and even baguettes out of the same dough.
|
||||
|
||||
With the lower hydration dough handling becomes easier and you have more yeast
|
||||
fermentation, resulting in lower overfermentation risk.
|
||||
With the lower hydration, dough handling becomes easier and you have more yeast
|
||||
fermentation, resulting in lower over-fermentation risk.
|
||||
|
||||
\section{What's the best stage to incorporate inclusions (seeds) into the dough?}
|
||||
|
||||
You can include seeds directly at the start when mixing the dough. If you use
|
||||
whole seeds such as wheat or rye kernels, soak them in water overnight and
|
||||
then rinse them before adding them to the dough. This makes sure that they
|
||||
are not crunchy and soft enough when eating the bread. If you forgot to soak
|
||||
are not crunchy and are soft enough when eating the bread. If you forgot to soak
|
||||
them you can cook the seeds for 10 minutes in hot water. Rinse them with cold
|
||||
water before adding them to your dough.
|
||||
|
||||
If you want to sweeten the dough your best option is to add sugar during the
|
||||
If you want to sweeten the dough, your best option is to add sugar during the
|
||||
shaping stage. Initial sugar is typically fermented and no residual sugar
|
||||
remains. Adjust your shaping technique a little bit and spread your sugar
|
||||
mixture over a flattened-out dough. You can then roll the dough together
|
||||
mixture over a flattened-out dough. You can then roll the dough together,
|
||||
incorporating layers of sugar.
|
||||
|
||||
\section{My dough sample (aliquot) doesn't rise, what's wrong?}
|
||||
\section{My dough sample (aliquot) doesn't rise. What's wrong?}
|
||||
|
||||
If you see that your dough rises in size but your aliquot doesn't chances
|
||||
are that both are fermenting at a different speed. This can often
|
||||
If you see that your dough rises in size but your aliquot doesn't, chances
|
||||
are that both are fermenting at different speeds. This can often
|
||||
happen when the temperature in your kitchen changes. The aliquot
|
||||
is more susceptible to temperature changes than the main dough.
|
||||
Because the sample is smaller in size it will heat up or cool down
|
||||
Because the sample is smaller in size, it will heat up or cool down
|
||||
faster.
|
||||
|
||||
For this reason, you must use room-temperature water when
|
||||
making your dough. By having the same temperature in both the sample
|
||||
and your dough you make sure that both ferment at the same rate.
|
||||
and your dough, you make sure that both ferment at the same rate.
|
||||
|
||||
If the temperature in your room changes significantly during the day, your
|
||||
best option is to use a see-through container. Mark the container to properly
|
||||
|
||||
Reference in New Issue
Block a user