Stir together flour, sugar, baking powder and salt. Set aside.
In large mixing bowl, combine KELLOGG'S ALL-BRAN cereal and milk. Let stand about 2 minutes or until cereal softens. Add egg and oil. Beat well. Add flour mixture, stirring only until combined. Portion evenly into twelve 2 1/2-inch muffin pan cups coated with cooking spray.
Bake at 400° F about 20 minutes or until golden brown. Cool 10 minutes. Serve warm.
VARIATION: For muffins with reduced calories, fat and cholesterol, use 2 tablespoons sugar, 2 tablespoons oil and substitute 2 egg whites for 1 egg.
VARIATION: For muffins with reduced fat and cholesterol, substitute 2 egg whites for 1 egg and 1/4 cup sweetened applesauce (or 2 oz. jar bananas baby food) for 1/4 cup vegetable oil. (Muffin texture may vary slightly from The Original All-Bran Muffins recipe.)