2 c. brown sugar
1 c. white flour
1 c. wheat flour
1/2 c. oat bran
1 tsp. baking soda
1 tsp. baking powder
1 egg
3/4 c. butter
1 c. buttermilk
1 tsp. cinnamon

Mix brown sugar, flours, and butter until it crumbs. Take out 3/4 cup for topping. Then mix all ingredients until mixed well. Pour into cupcake pans with paper lining. Then sprinkle crumb mixture over the top of the cupcakes. Bake at 350 degrees for about 15 minutes or until toothpick comes out clean.