Dark Chocolate Peanut Butter Cupcakes

INGREDIENTS

Dark Chocolate Peanut Butter Batter:

1 cup

all purpose white flour, preferably sifted

1/4 cup

dark chocolate cocoa powder, sifted

1 tsp

baking soda

1 tsp

baking powder

1/4 tsp

salt

5 tbsp

peanut butter

4 tbsp

vegetable oil

1/2 cup

brown sugar

eggs

1 tsp

vanilla

1/2 cup

buttermilk

Peanut Butter Buttercream:

2 sticks

(1 cup/226 grams) Real California Milk unsalted butter, room temperature

1/2 cup

vegetable shortening, room temperature

1 1/2 cups

peanut butter

4 cups

powdered sugar

1 tsp

vanilla extract

1/2 cup

cocoa powder - optional

Garnish:

Peanut Butter Cups