Sourdough Starter - cooking recipe

Ingredients

1 pkg. yeast
1/2 c. warm water
1/2 c. instant potatoes
1 1/2 c. warm water
1/2 c. sugar
1 tsp. salt
1/2 c. sugar
3 Tbsp. instant potato flakes
1 c. warm water

Preparation

Mix well. Let stand out of refrigerator all day (8 to 10 hours). This does not rise, only bubbles. Take out 1 cup to use in making bread. Return starter to refrigerator.
Keep in refrigerator for 3 to 5 days, then feed again.
If not making bread after feeding, throw away 1 cup or give to a friend. Starter must be fed every 3 to 5 days.