Preheat oven to 350 F.
In a bowl, combine the mashed over ripe bananas.
Add the eggs and mix well
Add the yellow cake and mix to combine.
In two loaf pans, spray well or line with parchment
Cut the ripe banana into slices and line the bottom of both loaf tins
In each loaf tin, sprinkle 1 tablespoon of brown sugar
Drizzle one tablespoon each of the butter over the bananas and brown sugar
Add the remaining last tablespoon of butter to the batter
Evenly distribute the cake batter into both loaf tins
Bake at 350 for approximately 30 – 35 minutes or until a toothpick comes out clean.
After cook time is complete, remove from oven and let loaves sit for approximately 5 minutes
Turn them out, upside down, onto large platters and carefully remove the parchment paper if you used it.
Let the loaves completely cool and serve with whipped topping and a sprinkle of cinnamon.