This caramel banana cake is a delicious way to use up ripe bananas. The cake is moist and tender, and the caramel frosting is rich and creamy. The recipe uses mashed bananas, cinnamon, and nutmeg to give the cake a warm and cozy flavor. The frosting is made with caramel sauce, butter, and cream cheese, and is finished with a sprinkle of chopped walnuts. This cake is perfect for breakfast, brunch, or dessert.