Use stiunitx more and fix typos
Some checks failed
Release the book and website / build-and-push-image (push) Has been cancelled
Release the book and website / release-book-website (push) Has been cancelled
Release the book and website / invalidate-book-website-cache (push) Has been cancelled

This commit is contained in:
Cedric
2025-02-18 19:59:21 +00:00
parent 75357db7bb
commit 01a4d1d873

View File

@@ -8,60 +8,37 @@ situation. You can then apply the appropriate measures and squash each
\section{Starter} \section{Starter}
\subsection{My starter does not double in size} \subsection{My starter does not double in size}
Some bakers call for the sourdough starter to Some bakers call for the sourdough starter to double in size before using it.
double in size before using it. The idea is to use the sourdough starter at peak performance to ensure a
The idea is to use the sourdough starter at
peak performance to ensure a
balanced fermentation in the main dough. balanced fermentation in the main dough.
The doubling in size metric should be The doubling in size metric should be taken with a grain of salt when judging
taken with a grain of salt when judging your starter. Depending on the flour you use to feed the starter, different
your starter. Depending on the flour levels of its rising can be expected. For instance, if you use rye flour then
you use to feed the starter, different levels only very little gas from the fermentation can be retained inside the starter.
of its rising can be expected. In consequence, your sourdough starter will not rise as much. It could still
For instance, if you use rye flour then only be in healthy shape. If you use wheat flour with less gluten, the starter will
very little gas from the not rise as much either. The reason is that you have a weaker gluten network
fermentation can be retained inside the resulting in more gas dispersing out of your dough.
starter. In consequence, your
sourdough starter will not rise as much. It
could still be in healthy shape. If you use wheat flour with less gluten,
the starter will not rise as
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
your volume increase metric. Your starter will increase in size and then ultimately lose structure
metric. Your starter will increase in size and then and collapse. Observe the point before it collapses. This is the point when
ultimately lose structure you should use your starter. This could be a \qty{50}{\percent} volume
and collapse. Observe the point before it collapses. increase, \qty{100}{\percent} or \qty{200}{\percent}. It is always better to
This is the point when use the starter a little bit too early rather than too late. If you use the
you should use your starter. This could be a starter later, reduce the quantity that you use. If the recipe calls for a
\qty{50}{\percent} volume increase, 100 \qty{20}{\percent} starter quantity, use only \qty{10}{\percent} starter in
percent or \qty{200}{\percent}. It is always better to use that case. Your starter will regrow in your main dough.
the starter a little bit
too early rather than too late. If you use 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
taking note of your starter's smell. Over time you will be able to judge its fermentation state based on the
smell. Over time you will be able to judge its smell. The stronger the smell becomes, the further your dough has fermented.
fermentation state based on the This is a sign that you should use less starter when making the actual dough.
smell. The stronger the smell becomes, the further
your dough has fermented.
This is a sign that you should use less starter
when making the actual dough.
Please refer to Please refer to
Section~\ref{sec:readying-starter}~``\nameref{section:readying-starter}'' Section~\ref{sec:readying-starter}~``\nameref{sec:readying-starter}'' for more
for more information on the topic. information on the topic.
\subsection{What's the best starter feeding ratio?} \subsection{What's the best starter feeding ratio?}
@@ -87,9 +64,9 @@ process there aren't enough microbes yet. So using a 1:1:1 ratio
can speed up the process. can speed up the process.
\subsection{What's the benefit of using a stiff sourdough starter?} \subsection{What's the benefit of using a stiff sourdough starter?}
A regular sourdough starter has equal parts of A regular sourdough starter has equal parts of flour and water
flour and water (\qty{100}{\percent} hydration). A stiffer (\qty{100}{\percent} hydration). A stiffer sourdough starter features a
sourdough starter features a hydration level of 50 to \qty{60}{\percent}. hydration level of \qtyrange{50}{60}{\percent}.
The stiff sourdough starter boosts the yeast part The stiff sourdough starter boosts the yeast part
of your starter more. This way your gluten degrades of your starter more. This way your gluten degrades
@@ -195,15 +172,14 @@ the top.
\label{fig:hooch} \label{fig:hooch}
\end{figure} \end{figure}
Simply stir your sourdough starter to homogenize the hooch back Simply stir your sourdough starter to homogenize the hooch back into your
into your starter. The hooch will disappear. Then use a little bit of starter. The hooch will disappear. Then use a little bit of your sourdough
your sourdough starter to set up the starter for your next bread. starter to set up the starter for your next bread. Once hooch appears, your
Once hooch appears, your starter has likely fermented for a long starter has likely fermented for a long period of time. It might be very sour.
period of time. It might be very sour. This state of starter This state of starter is excellent to make discard crackers or a discard
is excellent to make discard crackers or a discard bread. Don't throw bread. Don't throw anything away. Your hooch is a sign that you have a long
anything away. Your hooch is a sign that you have a long fermented fermented dough in front of you. Compare it to a two year ripened Parmigiano
dough in front of you. Compare it to a 2 year ripened Parmigiano cheese. cheese. The dough in front of you is full of delicious flavor.
The dough in front of you is full of delicious flavor.
\subsection{Fixing a moldy sourdough starter} \subsection{Fixing a moldy sourdough starter}
@@ -250,6 +226,7 @@ fewer and fewer. Furthermore, it seems that lactic acid bacteria produce
metabolites that inhibit mold growth~\cite{mold+lactic+acid+bacteria}. metabolites that inhibit mold growth~\cite{mold+lactic+acid+bacteria}.
\begin{figure}[!htb] \begin{figure}[!htb]
\centering
\includegraphics[width=\textwidth]{fungi-lactic-acid-interactions} \includegraphics[width=\textwidth]{fungi-lactic-acid-interactions}
\caption[The interaction of lactic acid bacteria and mold fungi]{The \caption[The interaction of lactic acid bacteria and mold fungi]{The
interaction of lactic acid bacteria and mold fungi. interaction of lactic acid bacteria and mold fungi.
@@ -399,13 +376,14 @@ bulk fermentation in Section~\ref{sec:bulk-fermentation}.
\subsection{What's a good level of water (hydration) to make a dough?} \subsection{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 greatly simplify the whole process. I~recommend using a level of around
percent hydration. So for every \qty{100}{\gram} of flour use around \qty{60}{\gram} of water. \qty{60}{\percent} hydration. So for every \qty{100}{\gram} of flour use
This ballpark figure will work for most flours. With this hydration, you can around \qty{60}{\gram} of water. This ballpark figure will work for most
make bread, buns, pizzas, and even baguettes out of the same dough. 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 With the lower hydration, dough handling becomes easier and you have more
fermentation, resulting in lower over-fermentation risk. yeast fermentation, resulting in lower over-fermentation risk.
\subsection{My dough completely tears after a long fermentation} \subsection{My dough completely tears after a long fermentation}
@@ -421,13 +399,14 @@ 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] \begin{figure}[!htb]
\centering
\includegraphics[width=1.0\textwidth]{tearing-dough} \includegraphics[width=1.0\textwidth]{tearing-dough}
\caption[Dough tearing]{My dough tearing after 24~hours of no activity.}% \caption[Dough tearing]{My dough tearing after 24~hours of no activity.}%
\label{fig:tearing-dough} \label{fig:tearing-dough}
\end{figure} \end{figure}
In the picture~\ref{fig:tearing-dough} I~experimented with In the picture~\ref{fig:tearing-dough} I~experimented with
using a starter that has not been fed for 30 days at room temperature. using a starter that has not been fed for 30~days at room temperature.
I~tried to make a dough directly out of the unfed starter. I~tried to make a dough directly out of the unfed starter.
Typically after a long period Typically after a long period
without feedings your microbes start to sporulate and go without feedings your microbes start to sporulate and go