1/2 c. butter
3/4 c. brown sugar
1 egg
1 c. whole wheat flour
1/2 c. white flour
1 tsp. baking soda
3/4 tsp. salt
1 1/4 c. mashed bananas
1/4 c. buttermilk
Cinnamon (optional)

Cream sugar and butter. Add egg, flour, soda and salt; mix. Add bananas and buttermilk. Bake at 350 degrees for 60 minutes. For added flavor, shake cinnamon over top before baking.