This is another old recipe I found in my mothers recipe box.This is from a old newspaper clipping from the Tampa tribune from 1985.This is wonderful,moist and never any leftover for the next day.
1 18oz package of yellow cake mix
1/3 cup oil
1/2 cup water
1 1/3 cup mashed banana ripe
1/2 teaspoon cinnamon
1/2 teaspoon nutmeg
combine all ingredients in a large bowl,mix until blended then beat at medium speed for 4 minutes turn batter into greased and lightly floured pan bake at 350 for 1 hour or until knife inserted in center comes out clean.