Sourdough Starter - cooking recipe

Ingredients

1 pkg. dry yeast
1/2 c. lukewarm water
2 Tbsp. sugar
2 c. warm water
2 1/2 Tbsp. all-purpose flour
3 Tbsp. instant potatoes
3/4 c. sugar
1 c. warm water
3 Tbsp. instant potatoes

Preparation

Mix well and add to Starter.
Let Starter stand in fridge all day or until bubbly.
Remove 1 cup to make bread, then return rest to fridge.
Keep for 5 days and feed again (repeat).