If you’re on the hunt for a frosting that’s decadently creamy, rich, and bursting with nutty goodness, look no further than this Peanut Butter Buttercream Frosting Recipe. This luscious frosting strikes the perfect balance between sweet and savory, making it an irresistible topper for cupcakes, layer cakes, or even as a dreamy dip for fresh fruit. Whether you’re a peanut butter lover or someone looking to add a classic twist to your baked treats, this recipe brings a smooth, velvety texture and a burst of flavor that will have everyone asking for seconds.

Ingredients You’ll Need
Gathering simple but essential ingredients is the first step to creating the perfect Peanut Butter Buttercream Frosting Recipe. Each component plays a crucial role in ensuring smoothness, flavor, and the ideal spreadable texture that you’ll absolutely adore.
- Salted butter: Using room temperature butter ensures your frosting whips up light and fluffy, with a touch of salt enhancing the peanut butter’s natural flavor.
- Creamy peanut butter: Choose a smooth variety for the silkiest texture and that unmistakeable nutty richness.
- Powdered sugar: This fine sugar sweetens the frosting without graininess and helps achieve that classic buttercream consistency.
How to Make Peanut Butter Buttercream Frosting Recipe
Step 1: Cream the Butters
Start by beating the softened salted butter and creamy peanut butter together in a large bowl. This is where the magic begins—mixing these two ingredients until they’re light and fluffy sets the foundation for a beautifully smooth frosting. Take your time to achieve a pale, airy mixture that promises a melt-in-your-mouth experience.
Step 2: Incorporate the Sweetness
Next, slowly add the powdered sugar in batches, mixing thoroughly after each addition. This gradual process prevents lumps and ensures the sugar blends evenly, creating that classic, sweet buttercream flavor you crave. You’ll notice the frosting beginning to thicken and look irresistibly creamy.
Step 3: Whip to Perfection
Beat the mixture just a little longer until it transforms into a smooth, fluffy, and easily spreadable delight. This step is crucial as it develops the light texture that distinguishes good frosting from great frosting.
Step 4: Adjust the Consistency
If your frosting feels too thick, simply add a splash of milk to loosen it up; if it’s too thin, sprinkle in a bit more powdered sugar to firm it up. This little tweak lets you customize the texture perfectly whether you’re piping delicate designs or slathering it generously on your cupcakes.
How to Serve Peanut Butter Buttercream Frosting Recipe

Garnishes
A sprinkle of chopped peanuts or a drizzle of melted chocolate are fantastic ways to add texture and elevate the look of your peanut butter buttercream frosting. For a fun twist, try adding a few mini chocolate chips scattered on top, turning simple cupcakes into irresistible showstoppers.
Side Dishes
This frosting pairs beautifully with classic vanilla or chocolate cupcakes, but don’t stop there. Consider serving it beside freshly baked banana bread or a rich brownie. The creamy peanut butter flavor complements so many desserts, turning humble treats into indulgent wonders.
Creative Ways to Present
Why not experiment with colorful piping tips to create swirls or rosettes that catch the eye? You can also spread it thickly on a single-layer cake and top it with sliced bananas or caramel drizzle for a dessert that’s as stunning as it is delicious. Using the Peanut Butter Buttercream Frosting Recipe as a filling between layers is another clever way to enjoy its rich personality.
Make Ahead and Storage
Storing Leftovers
If you have any leftover peanut butter buttercream frosting, store it in an airtight container in the refrigerator for up to one week. Before using, let it come to room temperature and give it a quick stir or re-whip to bring back its fluffy texture.
Freezing
To keep your frosting fresh longer, freezing is a great option. Place it in a freezer-safe container and freeze for up to three months. When ready to use, thaw it overnight in the fridge and then whip again until smooth and spreadable to restore its original perfection.
Reheating
Since this frosting contains butter, warming gently is key. If it’s too firm after refrigeration or freezing, let it sit at room temperature for about 30 minutes. If needed, mix on low speed to soften without melting completely, ensuring your frosting keeps that perfect, creamy consistency.
FAQs
Can I use natural peanut butter for this Peanut Butter Buttercream Frosting Recipe?
Natural peanut butter tends to be oilier and less stable, which can affect the texture of your frosting. It’s best to use creamy, processed peanut butter for a consistent, smooth, and fluffy result.
How do I make the frosting less sweet?
If you prefer a less sweet frosting, try reducing the powdered sugar slightly and balancing with a pinch of salt. Just keep in mind this may affect the overall texture, so adjust gradually.
Can I substitute salted butter with unsalted butter?
Yes, unsalted butter can be used. Simply add a pinch of salt to the recipe to make sure the peanut butter flavor shines through and the frosting isn’t flat tasting.
Is this frosting suitable for piping?
Absolutely! The Peanut Butter Buttercream Frosting Recipe whips up to a fluffy, adaptable consistency perfect for piping beautiful decorations or just spreading evenly on your favorite baked goods.
How long will the frosting stay fresh at room temperature?
Due to the butter content, it’s safest to keep the frosting refrigerated and only leave it out for short periods, such as during serving. At room temperature for a few hours, it should still be delicious but avoid prolonged exposure to heat.
Final Thoughts
Once you try this Peanut Butter Buttercream Frosting Recipe, you’ll understand why it quickly becomes a go-to for elevating your desserts with a luscious, nutty twist. It’s straightforward, indulgent, and versatile—perfect for sharing with friends and family or treating yourself to a little sweet comfort. So grab your mixing bowl and start whipping up this delightful frosting; your taste buds are in for a wonderful treat!
Print
Peanut Butter Buttercream Frosting Recipe
- Prep Time: 10 minutes
- Cook Time: N/A
- Total Time: 10 minutes
- Yield: 18–24 cupcakes or 1 layer cake
- Category: Frosting
- Method: No-Cook
- Cuisine: American
- Diet: Vegetarian
Description
This rich and creamy Peanut Butter Buttercream Frosting is a perfect companion for cupcakes and layer cakes, delivering a smooth, fluffy texture with a deliciously nutty flavor. Made with simple ingredients like butter, peanut butter, and powdered sugar, this frosting is easy to prepare and can be adjusted for consistency to suit your baking needs.
Ingredients
Frosting Ingredients
- 1 cup salted butter, room temperature (not margarine)
- 1 cup creamy peanut butter
- 3 cups powdered sugar
- Milk, as needed (for thinning consistency)
Instructions
- Beat Butter and Peanut Butter: In a large bowl, combine the room temperature salted butter and creamy peanut butter. Use an electric mixer to beat them together until the mixture becomes light and fluffy, which usually takes about 2-3 minutes.
- Add Powdered Sugar Gradually: Slowly incorporate the powdered sugar into the butter-peanut butter mixture, adding it in portions and mixing well after each addition. This helps prevent lumps and ensures even sweetness throughout the frosting.
- Mix Until Smooth and Fluffy: Continue beating the combined ingredients until the frosting achieves a smooth, creamy, and fluffy texture that is easy to spread. This typically takes an additional 3-4 minutes on medium speed.
- Adjust Consistency: If the frosting is too thick, add a small splash of milk and mix to thin it out. If it is too thin, add more powdered sugar a little at a time until you reach the desired thickness suitable for spreading or piping.
Notes
- Ensure butter is at room temperature to achieve a smooth and fluffy frosting.
- Use creamy peanut butter for the best texture; natural peanut butter with oil separation may alter the consistency.
- If you want a less sweet frosting, reduce powdered sugar slightly but note it may affect firmness.
- This frosting can be stored covered in the refrigerator for up to 3 days; bring to room temperature and re-whip before using.
- For a dairy-free version, substitute butter with a vegan butter alternative and ensure powdered sugar is vegan-friendly.

