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The Best Peanut Butter Buttercream for Piping & Decorating

Smooth, creamy, and pipeable peanut butter buttercream frosting is your next go-to for topping sugar cookies. This peanut butter frosting tastes amazingly good.
It's so good, you might just end up eating the spoon of frosting before getting it into a piping bag.
The reason it's perfect for piping is because it uses powdered peanut butter, which will keep the consistency firm & still remain a crusting buttercream.
5 from 2 votes
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Course: Dessert
Cuisine: American
Keyword: All American Buttercream Frosting, Buttercream Frosting for Cookies, Peanut Butter Buttercream Frosting Recipe, Powdered Peanut Butter Frosting
Prep Time: 30 minutes
Mixing Time: 5 minutes
Total Time: 35 minutes
Servings: 2 cups
Author: Leah Buehler

Equipment

  • Stand Mixer with Paddle Attachment
  • Measuring Cups & Spoons
  • Rubber Spatula
  • Sifter or Mesh Strainer
  • Medium Sized Mixing Bowl
  • Piping Bags & Piping Tips optional

Ingredients

  • 1 cup salted butter room temperature
  • 4 cups powdered sugar
  • 1/4 cup Naked PB Powder or similar salt-free powdered peanut butter
  • 1 tbsp. pure vanilla extract
  • 2-4 tbsp. whole milk

Instructions

  • In a medium-sized mixing bowl, sift the powdered sugar and powdered peanut butter together.
  • In a stand mixer, cream the butter until all lumps are gone using the paddle attachment.
  • Add the powdered sugar/powdered peanut butter mixture into the stand mixer bowl and mix on low until combined. Make sure to cover the stand mixer with a towel or add only a cup or so of the mixture at a time. Use a rubber spatula to scrape down the sides of the mixing bowl as needed.
  • Still mixing on low, add in the vanilla extract and two tablespoons of milk. Mix until creamy. If the consistency is too thick, add in up to two more tablespoons of milk.
  • Place the peanut butter buttercream into an icing bag to decorate cookies, cakes, or other treats.

Notes

This is a crusting buttercream recipe meaning that a thin crust will form on the outside of the frosting. You can store this peanut butter buttercream frosting recipe on the counter in an air tight container for several days at room temperature. 
If you are not using the frosting within that time, refrigerate for up to a couple weeks or freeze the frosting for several months. Make sure to store the frosting in air tight containers.
Consider topping my chocolate brownie cut out sugar cookies with this recipe for an amazing flavor combination!