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There’s something truly magical about the combination of peanut butter and cookies. Now, imagine taking that classic duo to a whole new level of indulgence with Peanut Butter Cookie Frosting.

Peanut Butter Cookie Frosting

This delectable concoction is a game-changer, transforming ordinary frosting into heavenly peanut butter cookie frosting! 

This peanut butter cookie frosting is a play on my The Best Cookie Dough Frosting. I just can’t get enough of this delicious treat. These cookie butter frostings go great on just about anything. From cookies to cakes to brownies I can’t wait for you to try it out. 

Let’s embark on a delightful journey into the world of Peanut Butter Cookie Frosting and discover how to elevate your sweet treats.

Peanut Butter Cookie Frosting:

The marriage of perfect peanut butter cookies and luscious frosting culminates in a treat that transcends the ordinary.

You can use this cookie frosting for just about any dessert. It’s perfect on brownies, peanut butter cookies, or swirl it into vanilla ice cream. 

Let’s dive into everything you need to make this delicious peanut butter cookie frosting.

peanut butter  

Ingredients for the Frosting:

Brown Sugar: This adds a delicious cookie like texture to the frosting. 

Peanut Butter Cookie Mix: I like to use the Betty Crocker brand. 

Peanut Butter: Opt for a high-quality, creamy  or chunky peanut butter to infuse the frosting with a rich and nutty flavor.

Vanilla Extract: You can use vanilla extract or my favorite vanilla bean paste

Unsalted Butter: Butter adds a luxurious creaminess to the frosting, enhancing its texture and taste.

Powdered Sugar: The sweetness and fine texture of powdered sugar are crucial for achieving the desired consistency.

Vanilla Extract:A splash of vanilla extract adds a layer of warmth and depth to the frosting, balancing the sweetness.

Steps to Create Peanut Butter Cookie Frosting:

Creaming the Butter and Sugars:

In a mixing bowl, combine softened unsalted butter and the brown sugar. Beat them together until smooth and well incorporated.

step 1

Add the Peanut Butter:

Incorporate the peanut butter and a teaspoon of vanilla extract into the mixture, blending it to enhance the overall flavor.

Gradual Addition of Powdered Sugar:

Begin adding powdered sugar gradually, ensuring a smooth consistency. The amount can be adjusted based on your desired sweetness.

adding the powdered sugar

Add the Peanut Butter Cookie Mix:

Next add the peanut butter cookie mix and cream to combine. 

add peanut butter cookie mix

Adjusting Consistency with Milk or Cream:

If the frosting is too thick, add a small amount of milk or cream to achieve a spreadable consistency. Conversely, if it’s too thin, add more powdered sugar.

Whipping to Fluffiness:

Whip the frosting for an additional few minutes until it becomes light, fluffy, and irresistibly smooth.

How To Use Peanut Butter Cookie Frosting:

While Peanut Butter Cookie Frosting is undoubtedly a showstopper on traditional peanut butter cookies, don’t hesitate to explore its versatility.

Try it on oatmeal cookies, brownies, chocolate chip cookies, or even as a filling for cupcakes. The possibilities are as endless as your imagination.

peanut btuter frosting on cupcakes

Peanut Butter Cookie Frosting is a delightful indulgence that takes an already beloved treat to new heights.

Whether you’re a baking enthusiast or simply looking to elevate store-bought cookies, this frosting is a game-changer.

So, roll up your sleeves, gather your ingredients, and embark on a journey to create peanut butter cookie perfection with a frosting that’s sure to leave everyone craving more. Get ready to savor the magic of this irresistible pairing!

Other Delicious Cookie Recipes:

If you love cookies like me try out these other delicious cookie recipes. 

The Best Browned Butter Sugar Cookies

Biscoff Cookie Butter Cookie Recipe With Sea Salt

The Best Oatmeal Chocolate Chip Cookie Recipe

Gingerdoodle Cookie Recipe

Peanut Butter Cookie Frosting Recipe:

Peanut Butter Cookie Frosting

Peanut Butter Cookie Frosting

Prep Time: 5 minutes
Total Time: 5 minutes

The most delicious peanut butter cookie frosting to top brownies, cake or use as a dip.


  • 2 sticks butter, softened
  • 1 cup brown sugar
  • 1 cup powdered sugar
  • 1 teaspoon vanilla extract or vanilla bean paste
  • 1/3 cup chunky peanut butter (or creamy)
  • 1 cup peanut cookie mix


  1. Place the butter into a mixing bowl.
  2. Add the brown sugar, powdered sugar and vanilla extract and mix with a hand held mixer until smooth and creamy.
  3. Add the peanut butter and mix to combine.
  4. Add the peanut butter cookie mix and mix to combine.
  5. Use the frosting as desired.

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