Cream together with icing sugar, and there's your peanut butter frosting. It might not be Betty Crocker's Peanut Delight, but there's no reason this truly inspired cake mix flavor has to be left ...

While the average Pillsbury or Betty Crocker frosting ... By adding peanut butter, Nutella, marshmallow fluff, cookie butter, or fruit preserves, the frosting will have an elevated taste.