Chocolate and Banana Marbled Mini Cakes with Peanut Butter Frosting

INGREDIENTS

large eggs

3/4 cup

sugar

3/4 cup

vegetable oil

1/4 cup

milk

2 tsp

baking powder

1 tsp

salt

1 1/2 cups

all-purpose flour

1 tsp

vanilla paste ((or extract))

bananas ((overripe, mashed))

2 tbsp

cacao powder ((or cocoa powder))

1/2 cup

butter ((softened, room temperature))

1 1/4 cups

creamy peanut butter

3 tbsp

heavy cream

2 cups

confectioners sugar

1 tsp

vanilla paste ((or extract))