Sour Dough Starter - cooking recipe

Ingredients

2 pkgs. yeast
1/2 c. warm water
2 c. all-purpose flour
2 c. warm water
1 Tbsp. sugar

Preparation

Soften yeast in 1/2 cup warm water.
Stir in flour, 2 cups water and sugar.
Beat until smooth.
Cover and let stand at room temperature until bubbly.
This may take more than one day, so stir 2 or 3 times daily, then refrigerate.
This needs to be renewed every 4 to 10 days.