INGREDIENTS
1/2 cup
Banana
1
Egg, large
2 cups
All-purpose flour
1/2 tsp
Baking powder
1/2 tsp
Baking soda
1/2 cup
Brown sugar, packed light
1 cup
Confectioners' sugar
1/2 cup
Granulated sugar
1/2 tsp
Salt
1 tsp
Vanilla extract, pure
4 oz
Butter, unsalted
16 oz
Cream cheese
1/2 cup
Sour cream