Fluffy Peanut Butter Buttercream Frosting

Peanut Butter Frosting

Peanut Butter Frosting is rich and creamy, made with ONLY 4 pantry ingredients and ready in under 10 minutes! 

Course Dessert
Cuisine American
Keyword peanut butter frosting
Prep Time 10 minutes
Total Time 10 minutes
Servings 24 servings
Calories 316 kcal
Author Sabrina Snyder


  • 1 1/2 cups unsalted butter softened
  • 1 1/2 cups creamy peanut butter
  • 6 cups powdered sugar
  • 1/2 cup whole milk
US Customary - Metric


  1. To your stand mixer add the butter and peanut butter and beat on medium speed for 2 minutes until fully combined then lower the speed to low add in the powdered sugar 1 cup at a time, alternating with 2 tablespoons of milk (starting and ending with sugar) until light and fluffy, about 2-3 minutes.

Recipe Notes

* Do not use natural peanut butter.


Note: click on times in the instructions to start a kitchen timer while cooking.

Nutrition Facts
Peanut Butter Frosting
Amount Per Serving
Calories 316 Calories from Fat 171
% Daily Value*
Fat 19g29%
Saturated Fat 9g56%
Cholesterol 31mg10%
Sodium 78mg3%
Potassium 114mg3%
Carbohydrates 33g11%
Sugar 31g34%
Protein 4g8%
Vitamin A 365IU7%
Calcium 16mg2%
Iron 0.3mg2%
* Percent Daily Values are based on a 2000 calorie diet.