Sourdough Starter - cooking recipe

Ingredients

1 envelope yeast
1 tsp. sugar
2 c. flour
2 medium potatoes, chopped
1 tsp. salt

Preparation

Dissolve yeast in 1/2 cup warm water. Cook potatoes in a large amount of water until tender.
Drain potatoes, reserving 2 cups cool potato water. Add yeast, sugar, salt, flour and potatoes. Mix well. Cover and let stand in warm place for 3 days, stirring each day.
Leftover starter may be kept in refrigerator for later use.