Imagine a frosting so delectable, so creamy, and so wonderfully nutty that it transforms any dessert from good to simply unforgettable. That’s exactly what this peanut butter frosting promises. It’s a scientific fact that peanut butter makes everything better. Okay I’m joking, but I assure you my children and husband truly believe that.

Crafted with love and simplicity, this recipe is a testament to how a few quality ingredients can create magic. Whether it’s draping your Chewy Double Chocolate Brownies in a nutty cloak or adding a swirl of peanut butter bliss to your cakes, this frosting is a game-changer. Let’s delve into the creamy world of this peanut butter frosting, exploring not just the recipe but also the science and tips behind its perfection.

As a fervent advocate of peanut butter in all forms, I have always been on a quest to find the ultimate frosting. After countless experiments, I’ve found that the key lies in balance and quality. This peanut butter frosting is not just a recipe; it’s a statement that even the simplest ingredients, when combined with care, can create something extraordinary. It’s my go-to for bringing joy and a touch of indulgence to any dessert table. I also LOVE this Coconut Frosting if you’d rather put the peanut butter on the shelf for awhile.

This frosting would be amazing paired with so many of my desserts. You could use it as a filling in my Double Chocolate Cake or even inside my Oreo Cookies. You could also use this to top some yummy Chocolate Cupcakes or perhaps on my Double Chocolate Cookies. Really the opportunities to use this frosting are just everywhere!

The Most Delicious Peanut Butter Frosting

The Chemistry of Peanut Butter Frosting

The magic of this frosting lies in the emulsion. Butter, with its fat content, combines with peanut butter to create a smooth and creamy base. When powdered sugar is added, it not only sweetens the mix but also stabilizes it. The vanilla extract introduces flavor depth, while the heavy whipping cream adds lightness and volume, transforming the texture into a fluffy cloud of peanut butter delight. Whipping it introduces air, making the frosting even lighter and more spreadable.

Why does the frosting need to be whipped for two minutes?

Whipping incorporates air, which lightens the frosting’s texture and color. It’s essential for achieving that luxuriously creamy, fluffy consistency that spreads like a dream.

Can this frosting be made ahead of time?

Yes, it can! Store it in an airtight container in the refrigerator for up to a week. Simply let it come to room temperature and give it a quick whip before use in order to bring back its perfect texture.

The Most Delicious Peanut Butter Frosting

How can I adjust the frosting’s thickness?

If the frosting is too thick, add a little more heavy whipping cream, one teaspoon at a time, until you reach the desired consistency. If it’s too thin, mix in a bit more powdered sugar.

Can I use natural peanut butter?

While natural peanut butter can be used, it may affect the frosting’s stability due to its oil separation. For best results, use cream peanut butter brands that are less prone to oil separation.

The Most Delicious Peanut Butter Frosting

What is in peanut butter frosting?

Unsalted butter

Often the main ingredient of frosting, it adds structure to your buttercream. It also adds a smooth and velvety texture. Butter melts at body temperature, so it will make your frosting have a melt-in-your-mouth sensation.

Peanut Butter

Adds another fat into your dough or batter that melts easily, allowing your treat to spread a little more. It will also add a creamy texture & rich flavor to your treat.

Powdered Sugar

Is just finely ground granulated sugar. It will absorb moisture in your batter or dough. It dissolves easily, ensuring a smooth texture without grittiness. Because it is so fine, it can melt quickly in the oven and spread cookies out more. Powdered sugar also stabilizes and thickens the frosting, thanks to the small amount of cornstarch it contains.

Vanilla Extract

When using pure vanilla extract, as opposed to imitation flavoring, it will add the deep rich flavor that everybody wants in a treat.

Heavy Whipping Cream

Makes a softer, more spreadable frosting. When melted with chocolate it adds more fat and moisture to the mixture, resulting in a silkier blend.

Storage Tips

Peanut butter frosting can be stored in an airtight container in the refrigerator for up to 1 week. Ensure it reaches room temperature and is re-whipped before use to restore its creamy texture.


This frosting freezes beautifully. Place it in the freezer-safe container and freeze for up to 3 months. Thaw in the refrigerator overnight, then bring it to room temperature and whip again before using.

The Most Delicious Peanut Butter Frosting

Making Ahead

For those who love to plan ahead, making this frosting in advance can be a real time-saver. Just remember to let it come to room temperature and give it a quick whip to ensure it’s perfectly creamy and ready to elevate your desserts.

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Why make peanut butter frosting?

Through this peanut butter frosting, we embrace the joy of baking, the art of mixing simple ingredients to create something that elevates our spirits and desserts. So go ahead, give your cakes, brownies, and cookies the peanut butter hug they deserve.

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Peanut Butter Frosting

Author: Madison Reid
Prep Time: 15 minutes
Servings: 20
This nutty frosting can be added to your brownies, cakes, blondies, cookies and more! It's so delicious, it will elevate any dessert!


  • 1 cup unsalted butter
  • 1 cup creamy peanut butter
  • 5 cups powdered sugar
  • 1 tsp vanilla extract
  • 2 tbsp heavy whipping cream


  • In a standing mixer add the room temperature butter and peanut butter. Mix until softened & combined
  • Add the powdered sugar and mix until combined and clumpy
  • Add the vanilla and cream, mix until smooth
  • Turn the mixer on high and whip for 2 minutes until lighter in color and texture
  • Top all your favorite desserts with this delicious spread!


Calories: 281kcal Carbohydrates: 33g Protein: 3g Fat: 16g Saturated Fat: 7g Polyunsaturated Fat: 2g Monounsaturated Fat: 6g Trans Fat: 0.4g Cholesterol: 26mg Sodium: 58mg Potassium: 78mg Fiber: 1g Sugar: 31g Vitamin A: 306IU Vitamin C: 0.01mg Calcium: 10mg Iron: 0.2mg

Have you tried this recipe?

I’d love to see it! Follow @_mrs.madi_ on Instagram and tag your photos with #mrsmadi.

The Most Delicious Peanut Butter Frosting