If you are searching for a luscious, creamy, and utterly addictive topping for your cakes or cupcakes, look no further than this Peanut Butter Frosting Recipe. It strikes the perfect balance between sweet and nutty, with a silky texture that spreads like a dream. Whether you’re a peanut butter lover or just want to add a rich twist to your desserts, this frosting transforms any baked good into an irresistible treat that will have everyone coming back for seconds.

Ingredients You’ll Need
The beauty of this Peanut Butter Frosting Recipe lies in its simplicity. Each ingredient plays a vital role—from the buttery richness to the sweet, velvety confectioners’ sugar and the smooth peanut butter that provides its signature flavor and creamy texture.
- 2 cups confectioners’ sugar: The secret to that sweet, powdery texture that makes frosting so delightful.
- 1/2 cup butter (room temperature): Adds creaminess and richness while helping to blend everything smoothly.
- 2 tablespoons milk: Creates the perfect frosting consistency, making it easy to spread or pipe.
- 1/2 cup smooth peanut butter: The star of the show, delivering that unmistakable nutty goodness without any graininess.
- 1/2 teaspoon vanilla extract: Enhances all the flavors and adds a subtle aromatic depth.
How to Make Peanut Butter Frosting Recipe
Step 1: Cream the Butter and Peanut Butter
Begin by beating the room temperature butter and smooth peanut butter together in a large mixing bowl. This is the foundation of your frosting, and getting them well combined until smooth and creamy ensures every bite is perfectly luscious.
Step 2: Add Powdered Sugar Gradually
Next, sift in the confectioners’ sugar slowly—about half a cup at a time. Beat thoroughly after each addition to avoid lumps and to incorporate air, giving your frosting a light yet thick texture.
Step 3: Add Milk and Vanilla Extract
Now it’s time to pour in the milk and vanilla extract. Keep beating the mixture until the frosting turns smooth and fluffy. If it’s a little too thick, don’t hesitate to add milk one tablespoon at a time to reach that perfect spreading consistency.
Step 4: Frost Your Cake Immediately
Once your frosting is dreamy and spreadable, use it right away to slather onto your favorite cakes or cupcakes. The fresh, peanut buttery flavor is best enjoyed immediately, but it also holds up beautifully if stored.
How to Serve Peanut Butter Frosting Recipe

Garnishes
Elevate your peanut butter frosting by topping it with chopped roasted peanuts for crunch or a light drizzle of melted chocolate for extra decadence. A sprinkle of sea salt can also enhance the nutty flavor beautifully.
Side Dishes
This frosting pairs wonderfully with classic yellow or chocolate cakes and cupcakes, but it also shines alongside banana breads or brownies. Consider serving it with fresh fruit for a refreshing contrast—the salty-sweet combination is fantastic.
Creative Ways to Present
Try piping this peanut butter frosting into elegant rosettes or bold swirls for eye-catching decoration. You could even sandwich it between layers of cake or dollop it onto warm cookies for a playful, rich treat. The smooth consistency lends itself well to both spreading and piping, so your creativity is the limit.
Make Ahead and Storage
Storing Leftovers
Store leftover peanut butter frosting in an airtight container in the refrigerator for up to one week. Before using again, let it come to room temperature and give it a quick whisk to restore its creamy texture.
Freezing
You can freeze this frosting for longer storage. Scoop it into a sealed container, freeze for up to three months, and then thaw overnight in the fridge. Rewhip gently before using to bring back its fluffy consistency.
Reheating
Although frosting is typically served cold or at room temperature, if you find it too stiff after refrigeration or freezing, warming it slightly in your hands or with a brief zap in the microwave (just a few seconds) will soften it. Always rewhip after warming for the best texture.
FAQs
Can I use crunchy peanut butter instead of smooth?
Absolutely! Using crunchy peanut butter will give your frosting a delightful texture with small peanut bits, adding extra crunch. Just be sure to mix well to distribute the bits evenly.
Is it possible to make this frosting dairy-free?
Yes! Substitute the butter with a dairy-free margarine or coconut oil and use a plant-based milk like almond or soy milk. The taste will remain deliciously peanutty and sweet.
How can I make the frosting less sweet?
To cut back on sweetness, you can reduce the powdered sugar slightly, though this may affect the frosting’s consistency. Adding a pinch of salt can also help balance the flavors without compromising texture.
What cakes go best with peanut butter frosting?
Classic flavors like chocolate, banana, and vanilla cake all pair beautifully. The nutty richness complements these flavors and elevates them to something truly special.
Can I use this frosting for piping decorations?
Yes! The frosting’s texture is perfect for piping. If you find it too soft, chill it briefly to firm up, then use your favorite piping tip to create stunning designs.
Final Thoughts
This Peanut Butter Frosting Recipe is my go-to for turning simple treats into memorable desserts filled with rich, nutty flavor and heavenly creaminess. I hope you enjoy making it as much as I do and find yourself inspired to experiment with all the yummy possibilities it offers. Your cakes and cupcakes will thank you with every delicious bite!
Print
Peanut Butter Frosting Recipe
- Prep Time: 5 minutes
- Cook Time: 0 minutes
- Total Time: 5 minutes
- Yield: 1 cup frosting, enough to frost one 9-inch cake or 12 cupcakes
- Category: Frosting
- Method: No-Cook
- Cuisine: American
Description
A creamy and delicious peanut butter frosting that is quick to make and perfect for enhancing the flavor of cakes, cupcakes, and other desserts. This frosting combines smooth peanut butter with buttery sweetness and a hint of vanilla, creating a fluffy and spreadable topping.
Ingredients
Frosting Ingredients
- 2 cups confectioners’ sugar
- 1/2 cup butter, room temperature
- 2 tablespoons milk
- 1/2 cup smooth peanut butter
- 1/2 teaspoon vanilla extract
Instructions
- Cream the Butter and Peanut Butter: In a large mixing bowl, beat the room temperature butter and smooth peanut butter together using a hand mixer or stand mixer until the mixture is smooth and creamy, about 2-3 minutes.
- Add Powdered Sugar: Gradually add the confectioners’ sugar in increments of 1/2 cup, beating well after each addition to ensure it is fully incorporated and smooth.
- Add Milk and Vanilla: Pour in the milk and vanilla extract, then continue to beat the mixture until the frosting becomes smooth and fluffy. If the frosting is too thick, add additional milk one tablespoon at a time just until desired spreading consistency is reached.
- Frost Your Cake: Immediately use the peanut butter frosting to frost cakes, cupcakes, or other baked goods. Spread evenly with a spatula and enjoy your tasty creation.
Notes
- Use room temperature butter for the best texture.
- If frosting is too thin, add more confectioners’ sugar to thicken it.
- For a more intense peanut flavor, you can add a pinch of salt if desired.
- Store any leftover frosting in an airtight container in the refrigerator for up to one week. Bring to room temperature and re-whip before use.

