Chocolate Cupcake Ingredients

1 (18.25 oz.) box Devil’s Food (or other chocolate variety) cake mix
1 cup buttermilk
1/2 cup vegetable or canola oil
4 eggs
Peanut Butter Cookie Dough “Frosting” Ingredients:

1/2 cup (1 stick) butter, room temperature
1 1/2 cups peanut butter
1 cup brown sugar, packed
1/2 cup granulated sugar
1/2 cup milk
1 tsp. vanilla
2 1/2 cups flour
1/2 tsp. salt
1 cup mini semisweet chocolate chips