Banana cake is meant to be a desert, while banana bread contains less sugar, has more of a grain taste, and is typically eaten as breakfast or a snack. Banana bread is typically more dense, while banana cake is light and fluffy...more like a traditional cake. Banana cake recipes usually use cake flour or pastry flour. They also often have some kind of sweet frosting or topping. If you’d like to try baking banana cake, the Southern Living recipe is one of the best I’ve found.