Speedy Little Devils
["1 Duncan Hines devil's food cake mix", "1 stick butter or margarine", "3/4 c. creamy peanut butter", "1 (7 1/2 oz.) jar Marshmallow Creme"]
["Combine melted butter and dry cake mix.", "Reserve 1 1/2 cups of this for top crust.", "Pat remaining crumb mixture into ungreased 13 x 9 x 2-inch pan.", "Top that layer with peanut butter and Marshmallow Creme.", "Spread evenly.", "Crumble remaining mixture over that.", "Bake for 20 minutes at 350\u00b0.", "Cool.", "Cut into bars."]
["cake mix", "butter", "peanut butter", "Marshmallow Creme"]