Sourdough Starter - cooking recipe

Ingredients

2 cakes yeast
2 tsp. sugar
2 c. lukewarm water
4 c. flour

Preparation

Crumble yeast into crock or jar with wide mouth and a cover. Never use a metal container.
Add sugar and water, mix until smooth.
Add flour and beat to a smooth batter.
Keep in a slightly warm place 24 to 30 hours, when it should be sour and ready to use.