1 1/2 c. milk, scalded & cooled
1/2 c. potato water
1 tbsp. baking powder
1/2 c. butter, softened
1/2 tsp. salt
1/2 c. mashed potatoes (no seasonings)
1 pkg. yeast
1/2 c. sugar
3 c. flour

Combine in a large bowl, mix and let rest 15 minutes. Add 3 to 4 cups additional flour to make stiff, but not too sticky dough. Place on floured board and knead 10 minutes. Place in large covered container. Refrigerate, continuing to punch dough down until thoroughly cooled. Make into dinner rolls, cinnamon rolls or doughnuts. Rise 1 1/2 hours. Bake at 400 degrees for 20 minutes.