This peanut butter banana cake recipe is perfect for those who love the combination of peanut butter and bananas. With the help of a food processor, you can easily mix all the ingredients together and have a moist and flavorful cake in no time. The recipe calls for ripe bananas, flour, sugar, eggs, peanut butter, and baking powder. Simply blend the bananas in the food processor, add the rest of the ingredients, and mix until smooth. Pour the batter into a greased cake pan and bake for 30-35 minutes. Serve warm with a drizzle of melted peanut butter or a sprinkle of chopped peanuts.