ingredients 4 3/4 cups regular all purpose flour (I prefer King Arthur) 1 1/2 tbs sugar 2 1/2 tsp salt 1 .25 oz pk o. Active dry yeast 1 cup warm water 2 tablespoons softened butter 1 1/2cup sourdough starter 1. In mixing bowl combine 1 cup flour, sugar, salt, yeast. Add water and butter.… Sourdough bread