Sourdough Bread - cooking recipe

Ingredients

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

Preparation

Dissolve the yeast in 1/2 cup of warm water.
Add remaining water, sugar and potato flakes.
Leave the mixture out of refrigerator all day and refrigerate that night.
After 3 days, take out and feed again and begin making bread as usual.
Put starter in refrigerator 3 to 5 days.