This cinnamon banana cake recipe is a warm and comforting dessert that's perfect for fall. It's made with ripe bananas, flour, sugar, eggs, butter, cinnamon, baking powder, and vanilla extract. The cake is moist, fluffy, and has a cozy cinnamon flavor that pairs well with the sweetness of bananas. Mix all the ingredients together, pour the batter into a greased cake pan, and bake in the oven for 35-40 minutes. Serve with a sprinkle of cinnamon sugar or a scoop of vanilla ice cream on top.