If you’re ready to elevate your baked treats to an entirely new level of deliciousness, this Homemade Peanut Butter Frosting Recipe is exactly what you need. Imagine a rich, creamy frosting bursting with that perfectly balanced peanut butter flavor, sweetened just right to complement everything from cakes to cupcakes and brownies. This frosting is smooth, spreadable, and downright addictive—plus it’s so simple to whip up from a handful of everyday ingredients. Whether you’re a peanut butter lover or looking to impress friends with a decadent topping, this recipe will quickly become your go-to secret weapon in the kitchen.

Ingredients You’ll Need
Gathering the ingredients for this frosting is a breeze, but each one plays a crucial role in delivering that luscious texture and irresistible flavor. From the creamy base to the subtle vanilla undertone, every element contributes to making this frosting smooth, fluffy, and perfectly balanced.
- Unsalted butter (2 sticks, room temperature): Provides a creamy, rich foundation that whips up light and fluffy.
- Creamy peanut butter (¾ cup): The star ingredient delivering that authentic, nutty taste and velvety texture.
- Powdered sugar (2-3 cups): Sweetens and thickens the frosting, allowing you to tailor the sweetness and consistency to your liking.
- Vanilla extract (1 teaspoon): Adds warmth and depth, enhancing the peanut butter’s natural flavor.
- Milk or heavy cream (a dash, optional): Helps adjust the frosting’s consistency for easier spreading or piping if needed.
How to Make Homemade Peanut Butter Frosting Recipe
Step 1: Cream the Butter and Peanut Butter
Start by beating your room temperature unsalted butter with the creamy peanut butter until the mixture becomes light and fluffy. This step is essential because it incorporates air, giving the frosting a soft and smooth texture that feels luxurious on your tongue.
Step 2: Gradually Add Powdered Sugar and Vanilla
Next, slowly add the powdered sugar a little at a time along with the vanilla extract. Mixing gradually helps to prevent a gritty texture and ensures everything blends into a silky smooth, well-balanced sweetness. Keep beating until the frosting looks homogeneous and luscious.
Step 3: Adjust the Consistency
If your frosting feels too thick or stiff, you can add a small dash of milk or heavy cream. This simple trick makes it easier to spread or pipe the frosting while keeping it rich and creamy. Don’t add too much at once; a little goes a long way!
Step 4: Spread or Pipe onto Your Dessert
Finally, use a spatula or piping bag to generously adorn your cakes, cupcakes, or brownies. This frosting isn’t just an extra touch—it’s the crowning glory that transforms simple baked treats into showstoppers bursting with peanut buttery goodness.
How to Serve Homemade Peanut Butter Frosting Recipe

Garnishes
For an extra special touch, consider sprinkling chopped peanuts or mini chocolate chips on top of your frosted creations. Both add a delightful texture contrast and enhance the peanut butter flavor perfectly. A light dusting of cocoa powder or a drizzle of melted chocolate also amps up the wow factor without overpowering the frosting.
Side Dishes
The creamy, nutty richness of this frosting pairs beautifully with simple sides like fresh berries or slices of crisp apples. These fresh, juicy options cut through the sweetness and add a refreshing bite, making your dessert feel balanced and irresistible.
Creative Ways to Present
Transform your peanut butter frosting into a centerpiece by piping it into elegant swirls atop cupcakes or layering it between cake tiers layered with crushed peanuts. You can also sandwich cookies with a generous smear, or use it as a dip for pretzels and fruit for a fun and unexpected treat.
Make Ahead and Storage
Storing Leftovers
Keep any leftover frosting in an airtight container in the refrigerator for up to one week. Before using, allow it to come to room temperature and give it a quick stir to restore its creamy texture.
Freezing
You can freeze this frosting for up to three months. Just store it in a sealed container and thaw it slowly in the refrigerator overnight. Once thawed, whip it again briefly to bring back its smooth, fluffy consistency.
Reheating
Avoid direct heating to prevent the butter from melting unevenly. Instead, let the frosting sit out at room temperature for about 30 minutes and then rewhip it gently. This keeps the texture perfect and ready for spreading or piping.
FAQs
Can I use crunchy peanut butter instead of creamy?
Absolutely! Crunchy peanut butter will add a nice texture and a little extra peanut punch, but keep in mind it can make the frosting a bit less smooth, depending on your preference.
What if I want a less sweet frosting?
You can reduce the powdered sugar slightly or add a pinch of salt to balance the sweetness. Start by cutting back a quarter cup and adjust to taste while mixing.
Is it necessary to use unsalted butter?
Unsalted butter gives you greater control over the saltiness of the frosting, making it easier to balance flavors. If you only have salted butter, reduce or skip adding any extra salt nearby.
Can this frosting be used for piping decorations?
Yes, with the right consistency! Add just enough milk or cream to soften the frosting for smooth piping. It holds its shape nicely for detailed designs when chilled briefly after piping.
How long does this frosting stay fresh at room temperature?
Because it contains butter and dairy, it’s best to keep it out of the fridge no longer than a few hours, especially in warm environments, to avoid melting or spoilage.
Final Thoughts
There’s just something incredibly satisfying about a Homemade Peanut Butter Frosting Recipe that blends simplicity with indulgence so beautifully. It’s the kind of frosting that makes your baked goods feel like a loving hug on a plate, easy to make but unforgettable to taste. I can’t wait for you to try it out and watch how it becomes a fast favorite with your family and friends!
Print
Homemade Peanut Butter Frosting Recipe
- Prep Time: 10 minutes
- Cook Time: 5 minutes
- Total Time: 15 minutes
- Yield: 12 servings
- Category: Dessert Frosting
- Method: No-Cook
- Cuisine: American
- Diet: Vegetarian
Description
This Homemade Peanut Butter Frosting is a creamy, smooth, and rich frosting perfect for cakes, cupcakes, and brownies. Made with room temperature unsalted butter, creamy peanut butter, powdered sugar, and a hint of vanilla extract, it offers a deliciously nutty and sweet flavor. The frosting can be adjusted to your preferred consistency with a little milk or heavy cream, making it versatile and easy to spread or pipe.
Ingredients
Frosting Ingredients
- 2 sticks (1 cup) unsalted butter, room temperature
- ¾ cup creamy peanut butter
- 2–3 cups powdered sugar
- 1 teaspoon vanilla extract
- Dash of milk or heavy cream (if needed)
Instructions
- Beat Butter and Peanut Butter: In a mixing bowl, beat together the room temperature unsalted butter and creamy peanut butter until the mixture becomes fluffy and well combined, ensuring a smooth base for the frosting.
- Add Powdered Sugar and Vanilla: Gradually add 2 to 3 cups of powdered sugar along with 1 teaspoon of vanilla extract. Continue beating the mixture until it is smooth and free of lumps, adjusting the sweetness and thickness as you go.
- Adjust Consistency: If the frosting is too thick or stiff, add a dash of milk or heavy cream a little at a time while mixing to reach your desired spreading or piping consistency.
- Apply Frosting: Use a spatula or piping bag to spread or pipe the peanut butter frosting onto your prepared cakes, cupcakes, or brownies. Enjoy the rich, creamy texture and peanut buttery flavor.
Notes
- Use unsalted butter to control the saltiness of the frosting.
- For a stronger peanut flavor, use natural peanut butter but expect the frosting to be slightly less smooth.
- If the frosting is too soft, chill it in the fridge for 10-15 minutes before using.
- This frosting pairs exceptionally well with chocolate or banana-flavored baked goods.

