In a large bowl, combine the oat bran, flour, 1/4 cup sugar, baking powder and salt. In another bowl, beat the eggs, applesauce, oil and milk. Stir into dry ingredients just until moistened. Fold in raisins.
Fill muffin cups coated with cooking spray three-fourths full. Combine the walnuts, cinnamon and remaining sugar; sprinkle over batter. Bake at 400° for 16-20 minutes or until a toothpick comes out clean. Cool for 5 minutes before removing form pan to a wire rack. Serve warm.