Banana Chocolate Chip Cake with Peanut Butter Frosting

INGREDIENTS

2 cups

cake flour

2 tsp

baking powder

1/4 tsp

salt

3/4 cup

mashed overripe bananas (approx. 2 medium)

1/2 cup

buttermilk (room temperature)

1/2 cup

unsalted butter (room temperature)

1 cup

granulated sugar

large eggs (room temperature)

1 tsp

vanilla

3/4 cup

mini chocolate chips (tossed in 1 tsp cake flour)

large egg whites

1 2/3 cups

dark brown sugar

1 1/2 cups

unsalted butter (room temperature)

1 tsp

vanilla

3/4 cup

peanut butter (not natural)

1/4 cup

finely chopped peanuts

rough chopped peanuts (optional)

mini chocolate chips (optional)