This caramelized banana upside-down cake is a delicious twist on the classic pineapple upside-down cake. The cake is made with ripe bananas that are caramelized in brown sugar and butter, creating a sweet and gooey topping. The cake batter is made with flour, sugar, eggs, baking powder, salt, and vanilla extract. The cake is easy to make and can be served warm or at room temperature. It is perfect for a brunch or a dessert and will surely impress your guests.