INGREDIENTS
1/2 cup
unsalted butter, softened
1 cup
granulated sugar
1
egg
1 tsp
vanilla bean paste
3
medium bananas
1 3/4 cups
all purpose flour
1 tsp
baking powder
1 tsp
baking soda
1/2 tsp
kosher salt
1/2 cup
unsalted butter, softened
1 tsp
vanilla bean paste
4 cups
powdered sugar
1/4 cup
skim milk