Sweet Potato Bran Bread
["1 stick margarine", "3/4 c. sugar", "2 egg whites", "1 1/2 c. flour", "1/2 c. oat bran", "5 Tbsp. sour skim milk", "1 1/2 tsp. baking powder", "1 tsp. baking soda", "1/2 tsp. cinnamon", "1/2 tsp. pumpkin pie spice", "1 tsp. vanilla", "2 medium sweet potatoes, baked, peeled and mashed"]
["Combine margarine, sugar and egg whites.", "Add remaining ingredients until moistened.", "Place in muffin tins or greased and floured loaf pan.", "Bake at 350\u00b0 until toothpick inserted comes out clean.", "Yields 1 loaf or 12 muffins."]
["margarine", "sugar", "egg whites", "flour", "bran", "sour skim milk", "baking powder", "baking soda", "cinnamon", "pumpkin pie spice", "vanilla", "sweet potatoes"]