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    Home ยป Recipes ยป Frosting

    Peanut Butter Frosting

    Published: May 4, 2018 by Sam Merritt ยท 1,048 Comments

    This post may contain affiliate links. As an Amazon Associate I earn from qualifying purchases. Please read my disclosure policy.
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    Peanut butter frosting on cupcake

    A silky smooth but perfectly pipeable peanut butter frosting that’s the perfect complement to any cake or cupcake. Also great for just eating by the spoonful!

    Peanut butter frosting on a chocolate cupcake

    Maybe you guys haven’t noticed, but I’ve been working on bulking up my “Frostings” section on the blog.

    In the past, I would share cake or cupcake recipes and tag on my preferred complementary frosting, but I’m a big believer in choices. Maybe you’d rather frost your funfetti cake with chocolate frosting (or even peanut butter frosting) instead of buttercream, right? Well I wanted to have a good variety of options for you to choose from.

    So far I’ve shared my favorites of the following:

    • Cream cheese frosting (<—- possibly my favorite frosting of all-time)
    • Chocolate frosting
    • Vanilla buttercream frosting

    And today I’m adding peanut butter frosting to the list.

    This recipe is super easy to make, and on Monday I’ll be sharing a very complementary and very dark chocolate cupcake recipe with you, but of course you can put it on whatever you want. You can even just eat it by the spoonful, I know I did.

    And yet it remains a mystery to me why my cardio sessions aren’t paying off 😭

    Anyway, Peanut Butter Frosting requires just 6 ingredients to make. It’s smooth, creamy, and is great for piping on top of cupcakes or decorating a cake.

    peanut butter frosting in a piping bag

    Tips for Making Peanut Butter Frosting

    • While chunky or creamy peanut butter can work in this peanut butter frosting recipe, I don’t recommend using chunky unless you don’t intend to pipe the frosting. The little peanut pieces will clog up your frosting tips in a second.
    • I don’t recommend using natural peanut butter (the kind that separates, you know the one that you usually need to stir before using). I haven’t tried it myself but I’m pretty certain that it wouldn’t work too nicely work with this recipe (it would be too oily).
    • This peanut butter frosting pipes very nicely as written. However, for a stiffer frosting, you can add an additional ยฝ-1 cup (65-125g) of powdered sugar.

    How Many Cupcakes/How Much Cake Will this Peanut Butter Frosting Cover?

    • If you’re generously frosting your cupcakes (as seen in my cupcake photo below), then this frosting will handily cover 12-15 cupcakes. If you’re being a bit more modest, it will cover 24 (I covered 24 cupcakes with peanut butter frosting rosettes using the 1M tip).
    • This frosting will also cover a 9×13 sheet cake or a round 2-layer 8″ or 9″ cake. Now I’m just thinking about how I want to make a cake with this frosting and then cover it with ganache… Yum!

    peanut butter frosting on a chocolate cupcake

    Enjoy!

    Oh, and do you have any requests for other frosting recipes you’d like to see? I’m currently working on caramel but would love any suggestions that you have!

    How to Make Peanut Butter Frosting

    Peanut butter frosting on cupcake

    Peanut Butter Frosting

    A silky smooth but perfectly pipeable peanut butter frosting that's the perfect complement to any cake or cupcake. Also great for just eating by the spoonful!
    4.98 from 597 votes
    Print Pin Rate
    Prevent your screen from going dark
    Course: Frosting
    Cuisine: American
    Prep Time: 10 minutes minutes
    Total Time: 10 minutes minutes
    Servings: 12 generously frosted cupcakes or 24 modestly frosted cupcakes
    Calories: 381kcal
    Author: Sam Merritt

    Ingredients

    • 1 cup (226 g) unsalted butter softened to room temperature
    • 1 cup (245 g) creamy peanut butter
    • 3 cups (375 g) powdered sugar
    • 1 teaspoon vanilla extract
    • ½ teaspoon salt
    • 2 Tablespoons milk

    Instructions

    • Combine butter and peanut butter in a large bowl and use an electric mixer to beat until creamy and well-combined.  
      1 cup (226 g) unsalted butter, 1 cup (245 g) creamy peanut butter
    • Gradually (about ⅓ cup at a time), with mixer on low speed add powdered sugar until completely combined. Be sure to scrape the sides and bottom of the bowl so all ingredients are well-combined. 
      3 cups (375 g) powdered sugar
    • Stir in vanilla extract and salt.
      1 teaspoon vanilla extract, ½ teaspoon salt
    • With mixer on low-speed, add milk and stir until well-combined. Gradually increase speed to high and beat for 30 seconds.  
      2 Tablespoons milk
    • Spread or pipe frosting onto completely cooled cupcakes or cake.

    Notes

    This cake will frost a 9x13 sheet cake, a 2-layer round 8" or 9" cake, 24 cupcakes, or will generously frost 12 cupcakes (as seen in photos)

    Natural Peanut Butter

    Since first sharing the recipe I have now tested this recipe with natural peanut butter and it worked just fine, though was a bit gritty. 

    Nutrition

    Serving: 1/12th batch | Calories: 381kcal | Carbohydrates: 34g | Protein: 6g | Fat: 26g | Saturated Fat: 12g | Trans Fat: 1g | Cholesterol: 41mg | Sodium: 199mg | Potassium: 148mg | Fiber: 1g | Sugar: 32g | Vitamin A: 477IU | Calcium: 17mg | Iron: 1mg

    Nutritional information is based on third-party calculations and should be considered an estimate only. Actual nutritional content will vary based upon brands used, measuring methods, cooking method, portion sizes, and more.

    Tried this recipe? Show me on Instagram!Mention @SugarSpun_Sam or tag #sugarspunrun!

    More Frosting Recipes

    • Overhead view of a bowl of lemon glaze being whisked.
      An Easy Lemon Glaze Recipe
    • Overhead view of cupcakes frosted with lemon cream cheese frosting among lemon halves.
      Lemon Cream Cheese Frosting
    • Cinnamon Roll Icing
    • Overhead view of cupcakes frosted with brown sugar swiss meringue buttercream.
      Brown Sugar Swiss Meringue Buttercream

    Reader Interactions

    Comments

    1. Sandy

      June 19, 2025 at 1:44 pm

      5 stars
      I like a very generous portion of frosting on my cakes. This recipe was very fluffy, had just the right amount of sweetness and peanut butter flavor and generously frosted a 9″ two layer cake. I followed the recipe exactly and it was perfect! I never write reviews but this was just. too perfect not to encourage others to give it a try. I give it a solid ********** ten stars plus.

      Reply
    2. Hannah Torkelson

      June 17, 2025 at 2:51 pm

      Does this frosting need to be refrigerated or is it shelf stable with the amount of sugar? Thank you!

      Reply
      • Sam Merritt

        June 18, 2025 at 10:11 am

        Hi Hannah! I personally am comfortable having it at room temperature for up to 2 days, but would refrigerate after that. ๐Ÿ™‚

        Reply
      • Kristina

        June 22, 2025 at 5:12 pm

        5 stars
        This recipe is incredible! So light and flavorful! I used organic, natural PB and was concerned about it not being as sweet, but it was spectacular! The hubby requested chocolate cupcakes with peanut butter frosting and was not disappointed!!

        Reply
    3. Mari

      June 17, 2025 at 12:02 am

      5 stars
      I’ve never felt compelled to return to a recipe I’ve used online to write a review for it, but oh my god. This frosting was perfectly balanced, straight from the first “okay, I did all the steps, now let me taste test it” — not too sweet, the peanut butter isn’t overpowering, it’s the perfect consistency for piping, and it just melts in your mouth! If you’re scouring the internet for a peanut butter frosting recipe, let this be the review that convinces you. 10/10 will pass on to my grandchildren.

      Reply
      • Sam Merritt

        June 17, 2025 at 10:10 am

        I’m so glad you enjoyed it so much, Mari! Thank you so much for leaving some feedback. I hope everyone loves it for years to come! ๐Ÿ™‚

        Reply
    4. Petra V Holland

      June 14, 2025 at 6:44 pm

      5 stars
      Delicious!!! Been making this for years for on top of cinnamon rolls. But we use leftover brewed coffee instead of milk. Game changer.

      Reply
      • Kira C.

        June 21, 2025 at 2:49 pm

        That sounds freaking delicious!!

        Reply
    5. Kristin Martin

      June 14, 2025 at 11:59 am

      5 stars
      Best peanut butter icing that Iโ€™ve been able to find. Goes very well with chocolate cake! Thank you!

      Reply
    6. Lori

      June 08, 2025 at 10:49 am

      5 stars
      Hear me out…. use this on a WHITE cake with a chocolate ganache drip. It is FANTASTIC. I make it for friends all the time. If you are from the Northeast and are familiar with the Tasty Kake brand of snack cakes, you will recognize this combo instantly. I love this frosting!!

      Reply
    7. Lauri Slaght

      May 23, 2025 at 6:46 pm

      5 stars
      it came out nice and fluffy and not sweet at all and just the right amount of peanut butter

      Reply
    8. Sarah

      May 11, 2025 at 9:51 pm

      I love this frosting!! How well would it take to gel coloring do you think?

      Reply
      • Sam

        May 11, 2025 at 9:52 pm

        I’m so glad you enjoy it so much, Sarah! It could be difficult to color due to it’s brown color.

        Reply
        • Shari

          May 26, 2025 at 4:14 pm

          We used purple food coloring and made a dusty lavender, it was beautiful.

      • Evan Smith

        May 24, 2025 at 5:09 pm

        I was thinking about using this as a crumb coat to as a touch of peanut butter to my banana chocolate chip cake with a whipped cream frosting. Do you think this would this work for the crumb layer for the cake? I normaly use Your American butter cream but I want to cut the sweetness.

        Reply
        • Sam

          May 26, 2025 at 9:46 pm

          Hi Evan! This will work fine as a crumb coat. ๐Ÿ™‚

    9. Rachel

      May 10, 2025 at 1:45 am

      5 stars
      Amazing!!!! Itโ€™s seriously SO good- just like my grandma used to make, brought back so many nostalgic memories for me! Thank you!!

      Reply
    10. Mary Lambert

      April 19, 2025 at 1:38 pm

      5 stars
      Can I freeze the leftovers ? Xx

      Reply
      • Sam

        April 21, 2025 at 10:49 am

        Sure thing! ๐Ÿ™‚

        Reply
    11. Sophie

      April 19, 2025 at 9:34 am

      Can I mix by hand? I don’t have a mixer.

      Reply
      • Sam

        April 21, 2025 at 10:52 am

        It will be a bit difficult to do, but I suppose it won’t be impossible.

        Reply
    12. Johnni reber

      April 13, 2025 at 10:04 pm

      Will be trying this recipe this coming weekendโ€ฆIโ€™ve made both your chocolate and regular cream cheese frost so good! Family and friends love them as well! Would love to see a lemon cream cheese frosting the can be used for piped cupcakes ๐Ÿ˜‰

      Reply
    13. Michele

      April 01, 2025 at 2:12 pm

      do I need to refrigerate cupcakes of frosting the day before

      Reply
      • Emily @ Sugar Spun Run

        April 02, 2025 at 10:20 am

        Hi Michele! This frosting does not need to be refrigerated ๐Ÿ˜Š

        Reply
      • Irene

        April 08, 2025 at 11:43 pm

        what do think about a peanut butter frosting recipe with just vanilla pudding, cool whip, cold milk and peanut butter?

        Reply
        • Sam

          April 09, 2025 at 4:54 pm

          I’ve never tried it so I’m not sure how it would work. It doesn’t seem like it will be pipe-able.

    14. robin casselberry

      March 31, 2025 at 11:38 am

      5 stars
      the best frosting so tasty but yet light!!

      Reply
      • Emily @ Sugar Spun Run

        March 31, 2025 at 3:46 pm

        We are so happy you enjoyed it so much, Robin! ๐Ÿฉท

        Reply
    15. Luckylexi

      March 28, 2025 at 5:08 am

      5 stars
      I tried this recipe with Adam’s all natural crunchy peanut butter. can’t recommend enough.

      Reply
      • Emily @ Sugar Spun Run

        March 28, 2025 at 10:58 am

        Yum! Thanks for letting us know how that went for you ๐Ÿฉท

        Reply
      • Lyla Laing

        April 03, 2025 at 12:31 pm

        This is EXACTLY, peanut butter brand and texture, the comment I was looking for!! Thank you!!!

        Reply
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    4.98 from 597 votes (284 ratings without comment)

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    The author (Sam) in blue shirt holding donut Hi, I'm Sam! I'm dedicated to bringing you sweet, simple, and from-scratch dessert recipes. My life may or may not be controlled by my sweet tooth. Send help (or chocolate). Read more about me.

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