Recipes > Frosting & Glazes > Peanut Butter Frosting Peanut Butter Frosting Rating: 5 3 Comments Louie Email Save Rate It Print Ingredients 3 tbsp. peanut butter 1 cup vanilla duncan hines frosting Directions Mix peanut butter and pre made frosting together until combined. Comments Please Log in to Comment sasha29 on Jul 30, 2020 9:17 p.m. Do you use the whipped or the creamy frosting can for this? Dandilaroche on Jun 19, 2015 2:59 p.m. Easy and good. Thank you kindly avamif on Sep 6, 2013 2:34 p.m. i would never think to do this wow i am book making this one!