Speedy Little Devils - cooking recipe

Ingredients

1 Duncan Hines cake mix (devil's food)
1 stick melted butter or margarine
1/2 c. peanut butter
1 (7 1/2 oz.) Marshmallow Fluff

Preparation

Mix the cake mixture and butter to form a crumb mixture. Reserve 1 1/2 cups.
Pat the remainder in a 9 x 13-inch ungreased cake pan.