Chocolate Peanut Butter Bars - cooking recipe

Ingredients

1 stick of margarine, melted
1 box Pillsbury devils food cake mix
1 small jar of Jif Peanut Butter
1 - 7 oz jar of marshmallow cream

Preparation

Mix cake mix and margarine together.
Press 3/4 of mix into a 9 x 13-inch greased and floured cake pan.
Set leftover cake mixture aside.