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Peanut Butter Buttercream

Updated: Nov 26, 2025 · Published: Apr 7, 2024 by Naomi Toilalo WhānauKai · This post may contain affiliate links · 0 Reviews

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Give me a spoon e te whānau (family) because I can eat this Peanut Butter Buttercream from the bowl. The smooth texture and sweet and salty flavour is just perfect and I know you will love it!

On a tray lined with brown baking paper is peanut butter cookies that have been smeared with chocolate and peanut butter buttercream is being piped on top. A piping bag is in shot ready to pipe another one.

A while ago Pic's asked me to create a buttercream using their pata pīnati māeneene (smooth peanut butter). What a dream recipe to create when peanut butter is literally one of my favourite foods in all the world. The recipe I came up with is so simple to make and just takes a few ingredients to put together. So are you going to pipe it? Eat it out of the bowl or smooth it on to a keke (cake)? The possibilities are endless!

Ways to use the Buttercream:

Top my kapukeke maika (banana cupcakes) with this delicious buttercream or my Chocolate Almond Cake. These Ultimate Peanut Butter Cookies are also lavishly covered in this buttercream.

Videography and photography by Sarah Henderson.

Ingredient Tips for this Peanut Butter Buttercream:

On a wooden board sits different vintage bowls and glasses holding the ingredients. There is icing sugar, peanut butter and vanilla paste. Blurred fairy lights are in the background.
  • Butter: Use either salted or unsalted pata (butter) in this recipe.
  • Icing Sugar: Puehu huka (icing sugar) is hands down the only sugar to use to create a smooth pani reka (buttercream).
  • Vanilla: Use any wanira (vanilla) you want in this recipe.
  • Peanut Butter: I have only ever used a natural peanut butter like Pic's in this recipe. If you are using a more processed peanut butter I cannot guarantee it will work exactly the same. If you do, please let me know as I would love to know how it turns out!

Expert Tips:

Take the time to whip the pata (butter) and huka (sugars) for the specified time to ensure that you get a nice, fluffy buttercream.

Do not over whip the mixture once the pata pīnati (peanut butter) is added, just whip until it combined and then it is ready to go.

STEP BY STEP INSTRUCTIONS FOR THE PEANUT BUTTER BUTTERCREAM:

Note: The full recipe card with the full list of ingredients, instructions and step by step video are found at the bottom of this page.

On a striped wooden board sits a glass vintage bowl that has butter in it that is being whipped with a white hand mixer.

1. Whip the Butter and Sugar

Add the pata kūteretere (softened butter), puehu huka (icing sugar) and wanira (vanilla) to a large bowl.

Whip it for 5 minutes on high.

The mixture should be almost white in colour and super fluffy.

On a striped wooden board sits a glass vintage bowl that has whipped butter that is super white and fluffy. Naomi is holding a white ceramic cup that is filled with peanut butter and has a spoon next to it, ready to scoop it out.

2. Add the Peanut Butter:

Add the pata pīnati māeneene (smooth peanut butter) and whip again for one more minute. 

The buttercream is now ready to use!

Pipe it, smear it or eat it out of the bowl if that’s what you need to do!

On a striped wooden board sits Ultimate peanut butter cookies that have been topped with piped peanut butter buttercream. They have a drizzle of chocolate added chopped but son top. One is cut in half to show the creamy filling.

Store the Peanut Butter Buttercream:

This will keep in the fridge, in a sealed container for up to five days. 

If it has been sitting in the fridge longer than four hours, bring it to room temperature for 20 minutes and then whip it for a minute or so before using it.

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DID YOU ENJOY THIS RECIPE?

It would be so awesome if you could please leave a review/comment by clicking the “leave a comment” section at the top of the page. 

I love seeing you all make my creations, so send a whakaahua (photo) or kiriata (video) to my Instagram and show me what you made. Let me know if you have any pātai (questions) too, I would love to help.

Peanut butter buttercream is being freshly piped on to ultimate peanut butter cookies, the swirl pattern is seen on every cookie.
Print Pin

Peanut Butter Buttercream - Pani Reka Pata Pīnati

A smooth and creamy buttercream, slightly salty and slightly sweet. Perfect to top your favourite cakes and cupcakes.
Course Baking
Cuisine Buttercream
Keyword best peanut butter frosting, best peanut butter frosting nz, lightly sweetned peanut butter buttercream, Peanut butter buttercream, peanut butter frosting, peanut butter frosting nz, Peanut butter icing, te reo Māori
Prep Time 15 minutes minutes
Total Time 15 minutes minutes
Servings 2 Cups of buttercream (covers 16 small cupcakes)

Ingredients

Peanut Butter Buttercream - Pani Reka Pata Pīnati

  • 190 g pata kūteretere (softened butter)
  • 1 C (165 g) puehu huka (icing sugar)
  • 2 teaspoon (10 ml) wanira (vanilla)
  • 1 C (265 g) pata pīnati māeneene (smooth peanut butter, room temperature)

Instructions

Whip the Butter and Sugar:

  • Add the pata kūteretere (softened butter), puehu huka (icing sugar) and wanira (vanilla) to a large bowl.
  • Whip for 5 minutes on high or until the mixture is almost white in colour and super fluffy in texture.

Add the Peanut Butter:

  • Add the pata pīnati māeneene (smooth peanut butter) and whip again for one more minute.
    The buttercream is now ready to use!
  • Pipe it, smear it or eat it out of the bowl if that’s what you need to do!

Store the Peanut Butter Buttercream:

  • This will keep in the fridge, in a sealed container for up to five days. 
    If it has been sitting in the fridge longer than four hours, bring it to room temperature for 20 minutes and then whip it for a minute or so before using it.

Video

https://d14qqjrp3wb13p.cloudfront.net/wp-content/uploads/2024/04/11203551/5488664662dc4876a67de8d91f4302d6_VSCO.mp4

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