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

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 behind in the 1950s. Read the ...