This banana upside-down cake recipe is perfect for those who love caramelized bananas. The cake is made with ripe bananas, brown sugar, butter, flour, baking powder, and baking soda. It's moist, fluffy, and packed with banana and caramel flavor. You can also add chopped nuts to the batter for extra texture and flavor. Serve it with a dollop of whipped cream or a scoop of vanilla ice cream for a delicious treat.