If you go nuts for peanut butter, you’re going to love this sweet and delicious Peanut Butter Cake Filling. Made using your favorite creamy peanut butter, this cake filling tastes amazing in between chocolate cake layers or piped into banana cupcakes. Combine it with a drizzle of melted chocolate for the ultimate cake filling!

Peanut Butter Cake Filling

This sweet, creamy and delicious peanut butter filling is all you need to elevate your cake to the next level. Made with creamy peanut butter, this filling gives your favorite chocolate, mocha and vanilla cakes and cupcakes a sweet surprise! It also tastes fantastic served over ice cream or bananas.

4.56 from 45 votes

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Prep Time 15

Total Time 15

Course Dessert

Servings Cup

Equipment

Large Bowl
Measuring Cup
Whisk

Ingredients

1 cup creamy peanut butter
¼ cup (1/2 stick) butter, softened
1 cup powdered sugar (confectioners’ sugar)
4 tablespoons heavy cream

Instructions

In a large bowl, combine peanut butter and butter.
Beat on medium speed with an electric mixer for 1-2 minutes or until mixture is well combined.
Add confectioners’ sugar and continue to beat until smooth.
Add heavy cream, and beat on medium for 1-2 minutes or until light and fluffy.

Notes

How long will peanut butter filling keep in the fridge: Filling can last for 4-5 days.

Storing cake after filling: Refrigerate cake for best storing after filling

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