Sourdough Starter - cooking recipe

Ingredients

1 pkg. active dry yeast
1 1/2 c. warm water
3/4 c. sugar
3 Tbsp. instant potato flakes

Preparation

Dissolve yeast in 1/2 cup of the warm water.
Add remaining 1 cup water, sugar and instant potatoes.
Leave mixture out of the refrigerator for 8 to 12 hours, then refrigerate for 3 days.