clean. Cool 10 minutes; remove from pan to wire rack. Cool completely. Sift powdered sugar over top, if desired. 12 to 16 servings. * To sour milk: Use 1 tablespoon white vinegar plus milk to equal 1 cup. Hershey's is a registered trademark of Hershey Foods Corporation. Recipe may be reprinted courtesy of the Hershey Kitchens. Meal-Master compatible format by: Karen Mintzias