Sourdough Starter - cooking recipe

Ingredients

1 pkg. dry yeast
1 1/2 c. warm water
2 c. plain flour
3 Tbsp. sugar
1 tsp. salt
2 c. warm water

Preparation

Dissolve yeast in 1/2 cup warm water; let stand 5 minutes. Combine flour, sugar and salt in a medium size nonmetal bowl and stir well.
Gradually stir in 2 cups warm water.
Add yeast mixture and mix well.
Cover starter loosely with plastic wrap or cheesecloth; let stand in warm place for 72 hours, stirring 2 or 3 times a day.
Place fermented mixture in refrigerator.
Stir once a day and use within 11 days.