STARTER:

1 c. warm water
1 pkg. active yeast, sprinkled into water, let sit until dissolved

ADD:

3 tbsp. instant potato flakes
1/2 c. sugar

Combine ingredients and let sit out 8 to 12 hours. Refrigerate in covered bowl with slits in cover. In 3 days 2 weeks, add 3 tablespoons potato flakes; 1/2 cup sugar and 1 cup very warm water. Let sit at room temperature 8 to 12 hours. Use 1 cup for bread and refrigerate the rest.