Sourdough Bread Starter - cooking recipe

Ingredients

1 pkg. dry yeast
1/2 c. warm water
1 Tbsp. salt
2 c. sifted flour
1 Tbsp. sugar
2 c. warm water

Preparation

Sprinkle the dry yeast in 1/2 cup warm water.
Let stand until dissolved.
Stir well.
Put into a jar and cover.
Add to other ingredients; mix well.
Cover and let stand for 2 or 3 days at 78\u00b0.
Stir the mixture down daily.