Ingredients
Preparation
Preheat the oven to 350 degrees F.
Combine the flour, sugar, baking powder, baking soda, salt, sour cream, vegetable oil, applesauce, eggs, and banana in a large mixing bowl, then mix with an electric mixer on low speed for 2 minutes.
Pour the mixture into a buttered 13×9-inch baking dish and spread evenly into the pan.
Bake for 25 minutes or until a toothpick inserted into center comes out clean.
Combine the cream cheese, butter, vanilla extract, cinnamon, and powdered sugar in a mixing bowl, then mix for 1 to 2 minutes until smooth and fluffy.
Frost the banana bars with cinnamon cream cheese frosting and sprinkle optional chopped nuts evenly over the top.
Cut into bars, serve, and enjoy!
