
Peanut butter frosting is a necessary recipe for every home baker. It's the creamiest and fluffiest peanut butter frosting you'll ever eat! It's a buttercream recipe that's heavy on the peanut butter flavor and it's absolutely perfect for your next chocolate cake. Reese's peanut butter cup cake, anyone?
In the bowl of a stand mixer fitted with the paddle attachment, place the peanut butter and butter. Sift the sugar into the bowl. Add the vanilla extract and salt.
Starting on low and gradually increasing (to prevent the sugar from covering your kitchen) the speed to medium-high, beat the ingredients until light and fluffy, scraping the sides and bottom of the bowl as needed, about 2 to 3 minutes. Beat in the heavy whipping cream until it is fully incorporated, about 30 seconds.