Perfect Peanut Butter Frosting

Perfect Peanut Butter Frosting from The Ruby Kitchen

Something strangely magical happened the other day. It was so serendipitous in fact that I grabbed my camera and snapped a few photos so I could share it with you. I was making chocolate cupcakes with peanut butter frosting for my mother in-law’s birthday and experimenting with my recipe. She loves peanut butter so I wanted it to be super creamy and irresistible. I played with the ratios a bit and it happened – perfect peanut butter bliss.

Perfect Peanut Butter Frosting from The Ruby Kitchen

Perfect Peanut Butter Frosting from The Ruby Kitchen

I was so happy with how it turned out I decided I needed to share it with you all so I snapped a few pictures. I also recently found out that National Peanut Butter day is March 1st so you’ll be able to make this in celebration! The directions are written for using a stand mixer, so if you use a hand-held electric mixer just increase the times by 1-2 minutes.

Perfect Peanut Butter Frosting from The Ruby Kitchen

Perfect Peanut Butter Buttercream
Makes enough to generously frost 12 cupcakes.

1.5 c butter, at room temperature
2 c smooth peanut butter
3 c powdered sugar
1 tsp. vanilla extract

  1. In a stand mixer, whisk butter for 5 minutes on the highest setting until it is very pale and creamy.
  2. Whisk in peanut butter for 2 minutes at medium speed.
  3. At low speed, whisk in the powdered sugar and vanilla extract until it is combined.
  4. Increase speed to high and whip for 3-5 minutes until the buttercream is no longer gritty.
  5. To frost the cupcakes pictured the tip I used was Bakery Crafts 8CS which I believe is the same at Ateco #848. It is a jumbo closed star tip. To frost, begin in the middle of the cupcake and work out and then back in as you move up.
  6. I store this frosting at room temperature up to 4 days.

Perfect Peanut Butter Frosting from The Ruby Kitchen

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13 Responses to Perfect Peanut Butter Frosting

  1. Bette Cuddahee says:

    oh Jo!!!!! I will have to try this!

  2. Julie Deskins says:

    What is 1.5 c of butter

  3. It’s looks so Yummy…!!! Love it.

  4. cortneymarcus says:

    Do you use regular PB, like JIF or Skippy, or do you use natural peanut butter? Would it make a difference in texture?

  5. Kristen says:

    Ridiculously delicious frosting!!! Our daughter wanted a peanut butter cup birthday cake so I used this recipe. EVERYONE at the party loved it. This is a keeper for sure.
    Thank you!!!

  6. Debbie Eake says:

    I just made this frosting today!! OMG ITS SO CREAMY AND DELICIOUS. It is now my go to peanut butter frosting recipe. I doubled it and frosted 58 chocolate cupcakes. It is so yummy. Thank you so much for sharing!

  7. Margaret Brooks says:

    Looks amazingly good I love peanut butter

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