Sourdough Bread - cooking recipe

Ingredients

3 pkg. yeast (I use dry packets)
1 c. warm water
1/2 c. sugar
1 c. warm water
3 Tbsp. instant potato flakes
1 1/2 c. warm water
1/4 c. sugar
1 tsp. salt
1/2 c. canola oil
6 c. Gold Medal flour + 12 1/2 Tbsp.

Preparation

Add yeast to 1 cup warm water; combine and refrigerate 3 to 5 days (covered jar).