Peanut Butter Frosting

User Reviews

5

1,001 reviews
Excellent
  • Prep Time

    10 mins

  • Total Time

    10 mins

  • Servings

    12 generously frosted cupcakes or 24 modestly frosted cupcakes

  • Calories

    381 kcal

  • Course

    Dessert

  • Cuisine

    American

Peanut Butter Frosting

Peanut Butter Frosting is a creamy blend of softened unsalted butter and creamy peanut butter sweetened with powdered sugar and flavored lightly with vanilla and salt. Milk is added to adjust consistency, resulting in a spreadable frosting with a balanced peanut flavor. It suits cakes or cupcakes needing a rich, peanut-flavored topping.

Description

This Peanut Butter Frosting combines softened unsalted butter and creamy peanut butter beaten until smooth and creamy. Gradually added powdered sugar sweetens and thickens the mixture. Vanilla extract and salt round out the flavor profile. Milk is stirred in last to achieve the desired consistency, and the frosting is whipped briefly at high speed to become light and spreadable.

The frosting is designed to be spread or piped onto completely cooled baked goods such as cupcakes, sheet cakes, or layer cakes. Its texture holds shape but remains creamy enough for easy spreading.

Yield considerations include being enough to frost a 9x13-inch sheet cake, an 8- or 9-inch two-layer round cake, 24 cupcakes, or generously cover 12 cupcakes with a thicker layer.

Testing with natural peanut butter works, though may introduce slight grittiness compared to creamy commercial peanut butter.

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Ingredients

Servings
  • 1 cup butter softened to room temperature, unsalted
  • 1 cup peanut butter creamy
  • 3 cups powdered sugar
  • 1 teaspoon vanilla extract
  • ½ teaspoon salt
  • 2 Tablespoons milk

Instructions

  1. Combine butter and peanut butter in a large bowl and use an electric mixer to beat until creamy and well-combined.  
  2. Gradually (about ⅓ cup at a time), with mixer on low speed add powdered sugar until completely combined. Be sure to scrape the sides and bottom of the bowl so all ingredients are well-combined. 
  3. Stir in vanilla extract and salt.
  4. With mixer on low-speed, add milk and stir until well-combined. Gradually increase speed to high and beat for 30 seconds.  
  5. Spread or pipe frosting onto completely cooled cupcakes or cake.

Notes

  • This frosting covers a 9x13" sheet cake, two 8" or 9" layer cakes, 24 cupcakes, or generously decorates 12 cupcakes.
  • Natural peanut butter can be used but may give a slightly gritty texture.

Nutrition Information

Show Details
Serving 1/12th batch Calories 381kcal (19%) Carbohydrates 34g (11%) Protein 6g (12%) Fat 26g (40%) Saturated Fat 12g (60%) Trans Fat 1g (50%) Cholesterol 41mg (14%) Sodium 199mg (8%) Potassium 148mg (3%) Fiber 1g (4%) Sugar 32g (64%) Vitamin A 477IU (10%) Calcium 17mg (2%) Iron 1mg (6%)

Nutrition Facts

Serving: 12generously frosted cupcakes or 24 modestly frosted cupcakes

Amount Per Serving

Calories 381 kcal

% Daily Value*

Serving 1/12th batch
Calories 381kcal 19%
Carbohydrates 34g 11%
Protein 6g 12%
Fat 26g 40%
Saturated Fat 12g 60%
Trans Fat 1g 50%
Cholesterol 41mg 14%
Sodium 199mg 8%
Potassium 148mg 3%
Fiber 1g 4%
Sugar 32g 64%
Vitamin A 477IU 10%
Calcium 17mg 2%
Iron 1mg 6%

* Percent Daily Values are based on a 2,000 calorie diet.

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Overall Rating

5

1,001 reviews
Excellent

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