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