1 pkg. white cake mix
2 bananas
1 tsp. baking soda

Mash bananas, add soda. Mix cake according to package directions. Add bananas. Bake at 350 degrees for 40 to 45 minutes.

FROSTING:

1 banana, mashed
1/3 c. butter
1 tsp. vanilla
2 1/2 c. powdered sugar

Cool then frost.