Ingredients
Method
- Heat oven to 350°F. Grease and line a 9-inch round cake pan.
- Mix flour, baking powder, baking soda and salt. Beat butter and sugar until creamy; beat in eggs.
- Mix in banana, sour cream and vanilla. Fold in dry ingredients; spread in pan.
- Bake 30–38 minutes until a toothpick comes out clean. Cool completely.
- Beat cream cheese, frosting butter, powdered sugar and frosting vanilla until smooth. Spread over cake; add banana slices just before serving.