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Peanut Butter Frosting

August 10, 2015 Diane Homan
Fluffy Peanut Butter Frosting | Homan at Home


I made a chocolate cake, but unfortunately didn’t gauge my cocoa powder well. I didn’t have enough to make my standard chocolate buttercream, so I improvised. Nothing goes better with chocolate than peanut butter, and this light frosting complemented my cake perfectly!

Frosting can be tricky – I spent years thinking I was just really bad at making it. My frosting was always drippy or goopy, and even if it tasted good, it always looked a little sketchy. Years ago, my mom showed me how to make the absolute best buttercream frosting ever (you can find the super-secret recipe here). Since then, I’ve been creating frostings based on that recipe. This peanut butter frosting adds the delicious nutty flavor to a frosting that holds its shape, pipes well, and crusts. 

Peanut butter frosting
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5 from 2 votes
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5 from 2 votes

Peanut Butter Frosting

Light and fluffy peanut butter flavored buttercream frosting.
Prep Time 10 minutes
Servings 12


  • 1 stick butter
  • ½ cup creamy peanut butter
  • ½ tsp vanilla
  • 2 ½ cups powdered sugar
  • 1 Tbsp milk


  • Beat butter and vanilla until fluffy.
  • Add peanut butter and mix well.
  • Add powdered sugar and milk and mix until desired consistency is reached.
Fluffy Peanut Butter Frosting| Homan at Home


What’s your favorite frosting flavor? Leave a comment and let us know!

Fluffy Peanut Butter Frosting| Homan at Home

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Thank you for sharing this! Peanut butter is one of my all time favorite foods. I am pinning this so I make it for our next birthday.

Diane Homan

Peanut butter is my favorite too! Hope you enjoy 🙂


i can think of several places to use a frosting like this, not the least delicious of which would be a rich chocolate cake. absolutely mouth-watering!!
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Diane Homan

That sounds amazing!!!


I use this on my chocolate cupcakes but I also add 2-3 tbsp maple syrup, and instead of milk, I use 2 tbsp whipping cream.

Diane Homan

Ooh! That sounds so good! I might have to give it a try 🙂 Thanks for the idea.


Can’t wait to try this recipe, I’ll be using it for my son’s birthday cake! Just wondering if you know it makes enough to cover and go in between two 8in round cakes or if I’ll need to double it?

Diane Homan

I’d definitely double it. Good luck and happy birthday to your son!!

Homan at Home

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Bertha Covarrubias

5 stars
OH WOW! Was my husbands response! I made this tonight Happy Spouses day. One small change. Instead of milk I added Kahluá! Mmmmmm… all I can say.

Diane Homan

I’m so glad you and your husband enjoyed the frosting – very creative substitution for the milk! 🙂


5 stars
Just frosted banana blondies with this. Haven’t tried them yet, but I already snuck a taste of the frosting and it is delicious 🙂

Diane Homan

Sneaking frosting is always a solid choice 😉 Banana blondes and PB frosting sound like a great match!

Theresa Young

Super easy to make. I sifted my powder suger. It turned out really good

Theresa Young

It’s really easy to make. I sifted my powder sugar and it turned out really good.

Diane Homan

I bet sifting makes the frosting even fluffier!

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[…] Whipped Peanut Butter Frosting Recipe, click here! […]

Debbie Crawford

Do you use salted butter for peanut butter frosting or unsalted ?

Diane Homan

Unsalted — there’s typically plenty of salt in the peanut butter!

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[…] the best Whipped Peanut Butter Frosting Recipe, click here! Diana at Homan at Home is a frosting genius! Bonus, it’s easy to make […]

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