If you had to refrigerate your starter yeast in order to wait for this column to appear, remove one cup of it and feed it for a few days, twice a day, as you did on days 11-14 before. Have an adult partner bake it for 50-60 min in a preheated 350 o F oven.
Yeast cells digest food to grow.
This fermentation process makes carbon dioxide and ethyl alcohol. Gluten is the elastic molecule formed when the protein of flour meets a liquid. Kneading makes the gluten stronger so it can hold in the gases formed by the yeast. This recipe didn t call for kneading, but many do. After baking the dough you ll see the remains of the CO 2 gas bubbles as air pockets in the bread.