\begin{tikzpicture}[node distance = 3cm, auto]
  \node [start] (init) {Ready starter};
  \node [block, right of=init, node distance=3cm] (mix_ingredients) {Mix ingredients};
  \node [block, right of=mix_ingredients, node distance=3cm] (dough_strength) {Create dough strength};
  \node [block, right of=dough_strength, node distance=3cm] (bulk) {Bulk ferment};
  \node [decision, below of=dough_strength, node distance=3cm] (divide_test) {Making 1 loaf?};
  \node [block, left of=divide_test, node distance=3cm] (divide) {Divide};
  \node [block, left of=divide, node distance=3cm] (preshape) {Preshape};
  \node [block, below of=preshape, node distance=3cm] (shape) {Shape};
  \node [block, right of=shape, node distance=3cm] (proof) {Proof};
  \node [success, right of=proof, node distance=3cm] (bake) {Bake};
  \path [line] (init) -- (mix_ingredients);
  \path [line] (mix_ingredients) -- (dough_strength);
  \path [line] (dough_strength) -- (bulk);
  \path [line] (bulk) -- (divide_test);
  \path [line] (divide_test) -- node{yes} (shape);
  \path [line] (divide_test) -- node{no} (divide);
  \path [line] (divide) -- (preshape);
  \path [line] (preshape) -- (shape);
  \path [line] (shape) -- (proof);
  \path [line] (proof) -- (bake);
\end{tikzpicture}