Do-it-yourself yeast at home.
You can make yeast with beer.
Take a glass of flour and mix it with a glass of warm water.
Let it take half a day.
It remains to add, but already beer and a tablespoon of sugar.
Stir and put in a warm place. Let it stand for four hours.
What happens can be used instead of regular store-bought yeast.
On such yeast, the dough is especially lush. Store in a cold place.
In the village, people often bake and such yeast as a godsend. You do not run into the store and also save money.