Peanut Butter Buttercream Frosting

Yield: 3 cups

Prep Time: 10 minutes

Peanut Butter Buttercream Frosting is ultra rich, thick, smooth, and creamy with tons of sweet nutty flavor that goes perfect on so many cakes or cupcakes!

Tessa's Recipe Rundown...

Taste: Perfect balance of sweet and nutty.
Texture: Ultra rich, smooth, and creamy but thick enough to frost on a cake.
Ease: Super simple and easy. Why would you ever purchase premade frosting?!
Pros: Fun flavor twist that goes with so many cakes or cupcakes.
Cons: None.
Would I make this again? I’ve made this many times.

Creamy peanut butter in a measuring cup

I originally published this Peanut Butter Icing with my Banana Chocolate Chip Cake recipe.

So many of you have made that recipe recently and told me that your favorite part was the peanut butter frosting!!

Mixing bowl filled with peanut butter buttercream

Since that’s a pretty old cake recipe I knew I had to resurface this peanut butter buttercream so it could have its moment in the spotlight. It truly deserves it.

Peanut butter frosting on paddle attachment

This recipe basically takes peanut butter – which is already amazing and perfect – and makes it even richer yet lighter with the perfect amount of sweetness. It goes perfectly with chocolate cake or cupcakes. Or banana cake or banana bread. You could even slather it over brownies or cookies!

Really, this frosting knows no bounds. And if you make it you’ll see just how addictively delicious it is!

Bowl of peanut butter buttercream icing on a cloth napkin

How to Make Buttercream Ahead of Time:

Transfer the frosting to an airtight container and store in the fridge for up to a week or in the freezer for up to 3 months. Let come to room temperature and re-whip in the stand mixer until light and fluffy again. Add a tablespoon or 2 of powdered sugar if it needs to thicken up.

How Much Frosting Does This Make?

This makes enough frosting for a two layer cake or 24 cupcakes OR 12 cupcakes with a generous amount of frosting (think a tall piped swirl). Not sure how much frosting you’ll need? Check out this handy frosting guide from Wilton.

More Buttercream Frosting Recipes & Tips

How to make
Peanut Butter Buttercream Frosting

Yield: 3 cups
Prep Time: 10 minutes
Peanut Butter Buttercream Frosting is ultra rich, thick, smooth, and creamy with tons of sweet nutty flavor that goes perfect on so many cakes or cupcakes!

Ingredients

  • 2 sticks (227 grams) unsalted butter, at room temperature
  • 1 cup (270 grams) creamy peanut butter
  • 1 teaspoon vanilla extract
  • 1/8 teaspoon fine salt
  • 2 1/2 cups (313 grams) powdered sugar, sifted

Directions

  1. In the bowl of an electric mixer fitted with the paddle attachment, beat the butter and peanut butter on medium-high speed until light and fluffy, scraping down the sides and bottom of the bowl as needed. Add the vanilla, salt, and powdered sugar and continue beating until the frosting is smooth and fluffy, about another 3 minutes.

STORAGE:

  1. Transfer to an airtight container and store in the fridge for up to a week or in the freezer for up to 3 months. Let come to room temperature and re-whip in the stand mixer until light and fluffy again. Add a tablespoon or 2 of powdered sugar if it needs to thicken.

Recipe Notes

This makes enough frosting for a two layer cake or 24 cupcakes (or 12 cupcakes with a generous amount of frosting).
Course: Dessert
Cuisine: American

Photos by Ashley McLaughlin.

About Tessa...

I share trusted baking recipes your friends will LOVE alongside insights into the science of sweets. I'm a professionally trained chef, cookbook author, and cookie queen. I love to write about all things sweet, carb-y, and homemade. I live in Phoenix, Arizona (hence the blog name!)

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5 Responses to “Peanut Butter Buttercream Frosting”

  1. #
    sabrina — February 14, 2019 at 7:03 pm

    haven’t ever made butter cream but have eaten a lot of peanut butter and can legitimately claim to be an expert peanut butter taster, so anything like this butter cream that’s a lighter and richer flavor than even peanut butter is wonderful!

    • #
      Tessa — February 15, 2019 at 11:57 am

      haha! 🙂

  2. #
    Julia — February 16, 2019 at 1:40 am

    Every time I make a cake I always feel like I should make different frosting but then I don’t know which one. Saving your recipe for my next cake making 🙂

  3. #
    pat c hawks — February 17, 2019 at 7:40 pm

    sounds yummy

  4. #
    Fiona Manoon — February 17, 2019 at 10:49 pm

    Thank you so much for sharing recipes.Great blog!!!

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