Homemade Peanut Butter Frosting (Creamy, Fluffy & Perfect for Cakes)
If you love rich, nutty desserts, this Homemade Peanut Butter Frosting is a must-have recipe. Creamy, fluffy, and perfectly sweet, this frosting pairs beautifully with chocolate cake, cupcakes, brownies, and even cookies. It’s made with simple pantry ingredients and comes together in minutes—no store-bought frosting needed.
Whether you’re baking for a celebration or just upgrading a simple dessert, this peanut butter frosting delivers bakery-quality flavor every time.
Why You’ll Love This Peanut Butter Frosting
- Smooth, creamy, and easy to spread
- Rich peanut butter flavor
- Made with simple, everyday ingredients
- Ready in 10 minutes
- Perfect for cakes, cupcakes, brownies, and cookies
Ingredients for Homemade Peanut Butter Frosting
- 1 cup creamy peanut butter
- ½ cup unsalted butter, softened
- 2½–3 cups powdered sugar
- 2–4 tbsp heavy cream or milk
- 1 tsp vanilla extract
- Pinch of salt (optional)
How to Make Peanut Butter Frosting
- Cream the base
In a large bowl, beat peanut butter and butter together until smooth and fluffy. - Add sugar
Gradually add powdered sugar, mixing well after each addition. - Adjust consistency
Add heavy cream or milk, one tablespoon at a time, until desired texture is reached. - Flavor it
Mix in vanilla extract and salt if using. - Frost and enjoy
Use immediately or store for later.
Tips for the Best Peanut Butter Frosting
- Use creamy peanut butter for the smoothest texture
- For extra fluffiness, beat for an additional 1–2 minutes
- Add more powdered sugar for thicker frosting
- Add cocoa powder for a chocolate peanut butter twist
How to Use Peanut Butter Frosting
- Frost chocolate or vanilla cakes
- Pipe onto cupcakes
- Spread on brownies or bar cookies
- Use as a filling for sandwich cookies