This blueberry banana cake recipe is perfect for those who love the combination of blueberries and bananas. It is made with fresh blueberries, which give the cake a burst of juicy flavor. The cake is also moist and fluffy, thanks to the ripe bananas. To make this cake, you will need flour, baking powder, baking soda, salt, ripe bananas, sugar, eggs, butter, fresh blueberries, and vanilla extract. Mix all the ingredients together, fold in the blueberries, pour the batter into a greased cake pan, and bake in the oven for 35-40 minutes. Serve with a sprinkle of powdered sugar or a dollop of whipped cream.