Sourdough Starter - cooking recipe

Ingredients

1 pkg. dry yeast
2 1/2 c. warm water
1 Tbsp. sugar
2 c. sifted all-purpose flour

Preparation

In a large pitcher, dissolve yeast in 1/2 cup of water.
Stir in remaining water, sugar and flour.
Beat until smooth.
Cover; let stand for 5 to 10 days, stirring 2 to 3 times a day and carefully recovering each time.