Banana Cupcakes with Chocolate Peanut Butter Frosting

INGREDIENTS

1/2 cup

unsalted butter, softened to room temperature

1/2 cup

packed light or dark brown sugar

3/4 cup

granulated sugar

large eggs, room temperature

and ½ cups mashed banana (about 3 large very ripe bananas)

2 tsp

vanilla extract

2 cups

all-purpose flour (careful not to overmeasure)

1 tsp

baking soda

1/2 tsp

ground cinnamon

1 tsp

salt

1/2 cup

buttermilk1

1 cup

mini or regular semi-sweet chocolate chips

and 3/4 cups (210g) confectioners' sugar

1/4 cup

unsweetened cocoa powder

1/2 cup

unsalted butter, softened to room temperature

2 tbsp

heavy cream or half-and-half2

1 tsp

vanilla extract

salt,

3/4 cup

creamy peanut butter

4 tbsp

unsalted butter, softened to room temperature

3/4 cup

confectioners' sugar

1 tsp

vanilla extract

3 tbsp

(45ml) heavy cream or half-and-half2