Make this creamy Peanut Butter Frosting with only 4 ingredients. This easy homemade frosting is perfect for cakes, brownies, cupcakes and more.
Peanut butter fans will go crazy over this new homemade frosting recipe. It is rich and creamy and simply amazing. Plus, it only calls for 4 easy ingredients. You can make it a 3 Ingredient Peanut Butter Frosting, but we like to add in some milk or heavy cream.
You can make this decadent homemade frosting in minutes. It is better than anything store bought. It is spreadable, flavorful and easy to make. The best frosting to top your cupcakes, brownies and more.
It has the perfect amount of sweetness and tastes great.
Table of contents
What type of Peanut Butter Should I use?
For this frosting we recommend using the traditional creamy peanut butter that you buy at the store. Stick with the creamy peanut butter and do not use the crunchy kind. I prefer skippy or jif.
We also do not recommend using any other type of nut butters or the natural and organic peanut butter. This could result in your peanut butter frosting being grainy or a rough texture.
Ingredients
- Unsalted Butter, softened
- Peanut Butter
- Milk
- Confectioners Sugar
The complete ingredient list can be found at the bottom of the page.
How to Make Peanut Butter Frosting from Scratch
Step 1 – In a medium mixing bowl, cream together butter and peanut butter until smooth and fluffy. You can also mix in vanilla. Milk and vanilla is amazing combination. You can use a stand mixer or hand mixer.
Step 2. Gradually add powdered sugar, alternating with milk, beating after each additional until desired consistency.
Step 3 – Combine until mixed together. This frosting will be light and fluffy and used on many different cakes.
Step 4. Frost cupcakes and garnish with candy or sprinkles if desired. We recommend putting the frosting in a piping bag to easily decorate cakes.
How to Use Peanut Butter Frosting
This easy peanut butter frosting that can be used on many different bake goods. These are our favorite recipes.
- Easy Homemade Vanilla Cupcakes – You can use any peanut butter frosting and add extras like sprinkles. There are so many fun ideas for simple ingredients vanilla cupcakes. It would even be amazing on chocolate cupcakes.
- Easy Chocolate Bundt Cake – This chocolate cake is amazing and perfect to top with the frosting.
- Mini Brownie Bites – We love making bite size brownies and adding this peanut butter frosting makes them even better.
- Sheet Cake – This peanut butter frosting is amazing on a sheet cake.
- Triple Chocolate Cookies Recipe – Make cookie sandwiches with this fluffy peanut butter frosting recipe.
Pro Tips
- Peanut Butter – We recommend using regular peanut butter when making this recipe. Natural, organic or crunchy is not recommended.
- Piping Bag – Use a piping bag to frost cupcakes and cakes to add design. This allows you to evenly coat the cakes.
- Frosting Cake – Before frosting cakes make sure that they are cool to room temperature. If you frost to soon it could result in messing up the cake.
FAQs
This delicious frosting can be stored at room temperature for 2 to 3 days. Place in an air tight jar for easily frosting cake or cupcakes for the next several days.
You can also place in the fridge and it will last about a week. When you are ready to use again, let it thaw to room temperature and stir to make it fluffy again.
This frosting will cover about 20-24 cupcakes depending on how much frosting you use. We recommend using a piping bag to even coat the cupcakes and make sure you have enough peanut butter buttercream frosting.
You can also frost a 9×13 cake or 2 9-inch round cakes or 8-inch with this peanut butter frosting recipe in the layers.
To make sure that your frosting doesn’t separate, make sure you start with room temperature ingredients. When ingredients are too hot or too cold that causes frosting to separate.
It is important to start with room temperature butter, making sure it is not melted but soft. Also, starting with room temperature peanut butter results in creamy peanut butter frosting.
Storage
Storing peanut butter frosting is easy to do. Place the peanut butter in an air tight container at room temperature. The frosting will last about 2 days.
How to Freeze?
Freezing peanut butter frosting is easy to do. Place in an air tight container that is freezer safe and store in freezer. The frosting will last about 2 months in the freezer if stored properly.
When you are ready to use the leftovers, thaw the frosting at room temperature and then top your favorite cakes. You will still have smooth and creamy frosting to use again.
Try these other frosting recipes
- Vanilla Buttercream Frosting Recipe
- Cool Whip Frosting Recipe
- Cool Whip Cream Cheese Frosting
- Nutella Frosting Recipe
- Cream Cheese Frosting
- Cookie Dough Frosting
Make this amazing Peanut Butter Frosting today. Then please come back and leave a comment and star recipe rating.
Peanut Butter Frosting
Ingredients
- ½ cup 1 stick unsalted butter, softened
- 1 cup peanut butter
- 2-3 tablespoons milk
- 3 cups powdered sugar
Instructions
- In a medium bowl, cream together butter and peanut butter until smooth and fluffy
- Gradually add powdered sugar, alternating with milk, beating after each additional until desired consistency
- Frost cupcakes and garnish with candy or sprinkles if desired
- Store leftovers in airtight container
Can peanut butter frosting be made up ahead of time?
Yes it can. I would keep in the fridge until ready to use. You might need allow it to warm slightly and rewhip it before using.