This creamy and luscious peanut butter frosting is perfect for topping cakes, cupcakes, or even cookies. Its rich flavor and smooth texture make it a delightful addition to any dessert, adding a nutty sweetness that is sure to please any peanut butter lover.
Most of the ingredients for this recipe are common pantry staples, but make sure you have powdered sugar on hand, as it is essential for achieving the right consistency and sweetness. Additionally, ensure your butter is softened to room temperature for easy mixing.

Ingredients For Peanut Butter Frosting Recipe
Peanut butter: Provides the rich, nutty base flavor for the frosting.
Butter: Adds creaminess and helps to create a smooth texture.
Powdered sugar: Sweetens the frosting and helps to thicken it.
Vanilla extract: Enhances the overall flavor with a hint of vanilla.
Milk: Adjusts the consistency of the frosting to your liking.
Technique Tip for This Recipe
When beating the peanut butter and softened butter together, ensure both ingredients are at room temperature. This will help them blend more smoothly and create a creamier texture for your frosting. If the mixture appears too stiff, add a small amount of milk gradually to achieve the desired consistency.
Suggested Side Dishes
Alternative Ingredients
peanut butter - Substitute with almond butter: Almond butter provides a similar creamy texture and nutty flavor, making it a great alternative for those with peanut allergies.
softened butter - Substitute with coconut oil: Coconut oil can be used to achieve a similar consistency and adds a subtle coconut flavor that complements the frosting.
sifted powdered sugar - Substitute with coconut sugar: Coconut sugar can be ground into a fine powder to replace powdered sugar, offering a lower glycemic index and a slight caramel flavor.
vanilla extract - Substitute with almond extract: Almond extract provides a different but complementary flavor profile that pairs well with the nutty taste of almond butter.
milk - Substitute with almond milk: Almond milk maintains the consistency needed for the frosting while keeping it dairy-free and enhancing the nutty flavor.
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How To Store / Freeze This Recipe
- To store your peanut butter frosting, transfer it to an airtight container. This will keep it fresh and prevent it from absorbing any unwanted odors from your fridge.
- Place the container in the refrigerator. The frosting will stay fresh for up to a week when stored this way.
- If you need to use the frosting after it has been refrigerated, allow it to come to room temperature. This will make it easier to spread on your desserts.
- For longer storage, you can freeze the frosting. Spoon it into a freezer-safe container, leaving a little room at the top for expansion.
- Seal the container tightly and label it with the date. This will help you keep track of how long it has been stored.
- The frosting can be frozen for up to three months. When you're ready to use it, thaw it in the refrigerator overnight.
- Once thawed, let it sit at room temperature for a bit and then give it a good stir to restore its creamy texture.
- If the frosting seems too thick after thawing, you can add a small amount of milk and mix until you reach the desired consistency.
How To Reheat Leftovers
Place the peanut butter frosting in a microwave-safe bowl. Microwave on low power in 10-second intervals, stirring in between, until it reaches a smooth and spreadable consistency. Be cautious not to overheat, as this can cause the frosting to separate.
Alternatively, use a double boiler method. Fill a saucepan with a few inches of water and bring it to a simmer. Place a heatproof bowl with the frosting over the saucepan, ensuring the bottom of the bowl does not touch the water. Stir continuously until the frosting is smooth and warmed through.
If you prefer not to use heat, let the frosting sit at room temperature for about 30 minutes to an hour. Stir occasionally to help it soften evenly. This method is gentle and helps maintain the frosting's texture.
For a quick fix, use a hand mixer or stand mixer to beat the frosting for a few minutes. This can help restore its creamy texture without applying direct heat. If needed, add a small amount of milk or cream to achieve the desired consistency.
Best Tools for This Recipe
- Mixing bowl: A large bowl to combine and mix the ingredients smoothly.
- Hand mixer: An electric mixer to beat the peanut butter and butter together until smooth.
- Spatula: A flexible tool to scrape down the sides of the bowl and ensure all ingredients are well incorporated.
- Measuring cups: Used to measure out the peanut butter, butter, and milk accurately.
- Measuring spoons: Used to measure the vanilla extract precisely.
- Sifter: A tool to sift the powdered sugar, ensuring there are no lumps and it incorporates smoothly into the frosting.
- Tablespoon: Used to add milk incrementally to achieve the desired consistency.
- Storage container: An airtight container to store any leftover frosting.
How to Save Time on Making This Recipe
Soften the butter quickly: Cut the butter into small cubes and let it sit at room temperature for faster softening.
Use a stand mixer: A stand mixer can beat the peanut butter and butter together more quickly and efficiently.
Sift powdered sugar in advance: Sift the powdered sugar ahead of time to avoid lumps and save mixing time.
Measure ingredients beforehand: Having all ingredients pre-measured and ready to go will streamline the process.
Adjust consistency quickly: Add milk gradually and mix continuously to reach the desired consistency faster.

Peanut Butter Frosting Recipe
Ingredients
Main Ingredients
- 1 cup Peanut Butter
- ½ cup Butter softened
- 2 cups Powdered Sugar sifted
- 1 teaspoon Vanilla Extract
- 2-3 tablespoon Milk as needed
Instructions
- In a mixing bowl, beat the peanut butter and softened butter together until smooth.
- Gradually add the powdered sugar, beating until well combined.
- Add the vanilla extract and mix well.
- Add milk, one tablespoon at a time, until the frosting reaches your desired consistency.
Nutritional Value
Keywords
Suggested Appetizers and Main Courses for This Recipe
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