Ingredients: For the Topping: 1/4 cup butter 1/2 cup brown sugar (packed) 1-2 ripe bananas, peeled and sliced For the Cake: 1 cup all-purpose flour 3/4 cup whole wheat flour 1 teaspoon baking powder 1/2 teaspoon baking soda 1/4 teaspoon salt 1 teaspoon cinnamon 1/2 cup butter, room temper…