PERFECT Peanut Butter Frosting Recipe - Crazy for Crust (2024)

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Written ByDorothy Kern

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This fluffy Peanut Butter Frosting is one of my favorite frosting recipes. It’s smooth, it’s creamy, has the perfect sweetness, and it just might be the best buttercream frosting recipe ever. The peanut butter taste is spot on and sure to blow you away!

PERFECT Peanut Butter Frosting Recipe - Crazy for Crust (2)

BEST Frosting Ever!

When I say that this is the best Peanut Butter Icing, I’m serious! It’s smooth enough to go on any dessert, like cupcakes or cake. You could also eat this frosting by the spoonful, that’s how good it is.

Many people actually ask me what I think this whipped easy peanut butter frosting recipe tastes best with while it tastes good with just about anything, peanut butter and chocolate is the perfect pairing. I paired them with chocolate cupcakes, but chocolate cake, brownies or even a brownie pie would suit this frosting.

Homemade peanut butter frosting is the perfect 6 ingredient frosting recipe for any dessert you make. If you’re a peanut butter lover you’re going to love this recipe!

PERFECT Peanut Butter Frosting Recipe - Crazy for Crust (3)

Ingredients Needed

  • Peanut Butter – creamy works best so that you keep a smooth texture.Be sure to use no-stir kind of peanut butter (like Skippy or Jif).
  • Powdered Sugar: Also called confectioners’ sugar
  • Unsalted butter – softened at room temperature.You can swap salted butter but be sure to reduce the added salt.
  • Heavy whipping cream – I always add heavy cream to my frosting recipes because it makes them more fluffy and whipped.
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PERFECT Peanut Butter Frosting Recipe - Crazy for Crust (5)
PERFECT Peanut Butter Frosting Recipe - Crazy for Crust (6)

How to make Peanut Butter Buttercream Frosting

  • Beat peanut butter and butter in a large bowl with a hand mixer until creamy (or in the bowl of a stand mixer fitted with the paddle attachment).
  • Mix in 1 cup of powdered sugar at a time, slowly, until the mixture is crumbly. Add salt and vanilla extract and mix again.
  • Add in heavy whipping cream and beat frosting until smooth, adding more heavy whipping cream until you reach the desired consistency (I always add 6 tablespoons). You can use milk if you want but it won’t be as fluffy.
  • Pipe or frost as desired.

How Much Frosting This Makes

This recipe makes enough frosting for:

  • 24 cupcakes (12 if piled super high)
  • One 9×13-inch sheet cake
  • 8-inch layer cake (with 2 layers)
  • Approximately 36 cookies (great on chocolate sugar cookies)
  • Double the recipe to make a 9-inch layer cake or if you want to pile frosting high on cupcakes.
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PERFECT Peanut Butter Frosting Recipe - Crazy for Crust (8)

Expert Tips

  • You can freeze peanut butter frosting for up to 3 months.
  • I prefer using a stand mixer to make frosting because it will incorporate the powdered sugar into the butter and peanut butter mixture better, allowing you to use less heavy cream. Stand mixers also whip the cream better, making the frosting even fluffier.
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FAQs

Why is my peanut butter frosting grainy?

If you didn’t mix the frosting all the way, you might notice a grainy texture. Add some extra whipping cream if needed and mix until it’s not grainy any longer.

Why did my peanut butter frosting separate?

The biggest reason that the frosting separates is that people use natural peanut butter. Make sure to use a no-stir peanut butter.

How to store peanut butter frosting?

Store frosting in an airtight container and keep it in the fridge. For best results, use it within 2 days.

PERFECT Peanut Butter Frosting Recipe - Crazy for Crust (10)

Peanut Butter Frosting

4.86 from 14 votes

This easy peanut butter buttercream recipe is a from scratch buttercream full of peanut butter! It's creamy and the perfect frosting for cakes, cupcakes, or brownies!

Prep Time 10 minutes minutes

Total Time 10 minutes minutes

Yield 24 servings

Serving Size 1 serving

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Ingredients

  • 1 cup (268g) creamy peanut butter
  • ½ cup (113g) unsalted butter softened
  • 4 cups (452g) powdered sugar
  • ¼ teaspoon salt
  • 1 teaspoon vanilla extract
  • 6 tablespoons (90ml) heavy whipping cream

Instructions

  • Beat peanut butter and butter in a large bowl with a hand mixer until creamy (or in the bowl of a stand mixer fitted with the paddle attachment).

  • Mix in 1 cup of powdered sugar at a time, slowly, until mixture is crumbly. Add salt and vanilla and mix, then add 1 tablespoon of heavy whipping cream.

  • Beat frosting until smooth, adding more heavy whipping cream until you reach the desired consistency (I always add 6 tablespoons).

  • Pipe or frost as desired.

Recipe Video

Recipe Notes

  • Store frosting in an airtight container and keep it in the fridge. For best results, use it within 2 days.
  • You can freeze peanut butter frosting for up to 3 months.
  • I prefer using a stand mixer to make frosting because it will incorporate the powdered sugar into the butter and peanut butter mixture better, allowing you to use less heavy cream. Stand mixers also whip the cream better, making the frosting even fluffier.

Recipe Nutrition

Serving: 1serving | Calories: 188kcal | Carbohydrates: 22g | Protein: 2g | Fat: 10g | Saturated Fat: 4g | Cholesterol: 15mg | Sodium: 75mg | Potassium: 72mg | Sugar: 20g | Vitamin A: 175IU | Calcium: 8mg | Iron: 0.2mg

Nutritional information not guaranteed to be accurate

Course Dessert

Cuisine American

Author Dorothy Kern

Did you try this recipe? Click the stars to rate the recipe below

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Last Updated on April 6, 2024

PERFECT Peanut Butter Frosting Recipe - Crazy for Crust (15)

Dorothy Kern

Welcome to Crazy for Crust, where I share recipes that are sometimes crazy, often with a crust, and always served with a slice of life.

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14 Comments

  1. This frosting is so so good. I let the leftover set up in the fridge, scooped out small balls then dipped in setting chocolate for peanut butter truffles. They were heavenly.

    Reply

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PERFECT Peanut Butter Frosting Recipe - Crazy for Crust (2024)

FAQs

Why is my peanut butter icing grainy? ›

Why is my peanut butter frosting grainy? If you didn't mix the frosting all the way, you might notice a grainy texture. Add some extra whipping cream if needed and mix until it's not grainy any longer.

Why is my peanut butter frosting to runny? ›

It could possibly mean that you have not whipped it enough, or you added too much liquid. Try adding butter, frosting sugar, or whipped cream.

Why is my butter icing sloppy? ›

This could be because the butter was too soft or you added too much milk if it is buttercream frosting or it could be that you have overbeaten it if you're making cream cheese frosting. Also, a hot kitchen can make frostings go runny, so be mindful of the temperature.

How do you increase the texture of peanut butter? ›

Tips for Creamier Homemade Peanut Butter
  1. Use a good-quality food processor. A powerful food processor or blender will make a difference.
  2. Toast the peanuts. Toasting the nuts before blending helps a lot — this warms the oils in the nuts and helps everything blend together more easily. ...
  3. Add peanut oil.

How to fix gritty frosting? ›

One easy fix is to re-whip the frosting, preferably with the paddle attachment, on medium speed until it becomes smoother. (You can let it go for quite a bit!) If the buttercream is still grainy, you can try warming it up over a double boiler or adding a little bit of heavy cream.

How to stiffen up frosting? ›

Try thickening it with a bit of heavy whipping cream. You can add up to ¼ cup of heavy cream, depending on how much you need to thicken it. Then whip the frosting until it fluffs up. Heavy cream also works if the recipe instructs you to heat the frosting.

How do you fix runny peanut butter? ›

Stir the peanut butter continuously for a couple of minutes until it becomes creamy and then keep it refrigerated. If still not thickened, grind some more peanuts and add to the peanut butter and mix till both, butter and peanuts, nicely blends with each other and then refrigerate. Keep it in refrigerator only.

How to keep peanut butter frosting from separating? ›

Why Did My Peanut Butter Frosting Separate? Frosting separates when the ingredients are either too hot or too cold. Make sure you start with room-temperature butter that's soft to the touch but not melting. Your peanut butter should also be at room temperature before making the frosting.

Can you overbeat butter icing? ›

All the lumps should be completely beaten out before adding the sugar a little at a time or it will be impossible to get a smooth consistency. Try not to overbeat the buttercream after all the ingredients have been added or you might add bubbles, which will ruin the texture of the icing.

Why did my frosting harden? ›

When the frosting's temperature drops below 69°F (21°C), its butter content will stiffen, bit by bit, until the frosting breaks into a curdled mess. But between those extremes, when the butter is pliable but cool, the frosting will be silky and light—perfect for spreading over your favorite cake.

Why is my peanut butter frosting grainy? ›

Make sure the butter is softened to cool room temperature before you begin. If the frosting separates and looks grainy, it's most likely because the butter is too cold. Place the bowl in a warm spot for a few minutes, and then beat it again for a minute or two. It should come back together.

Why is my peanut butter frosting oily? ›

Why Is My Homemade Peanut Butter Frosting Oily? This can happen if you use organic or natural peanut butter as it's more oily by nature and will separate when it sits. Use a smooth peanut butter like Jif or Skippy for a creamy texture.

Why is icing sugar in peanut butter? ›

Good peanut butter has two ingredients, peanuts and salt. It tastes like peanuts, and isn't really sweet. It can be used in both sweet and savory preparations. Some peanut butter contains added oils to make it smoother, and sugar to make it sweeter.

Why does my peanut butter taste gritty? ›

Most of our tasters noted that the regular peanut butter had a slightly gritty texture, which is probably due to the added sugar, but also surprised us since the presence of partially hydrogenated oils traditionally emulsifies peanut butter into silky smoothness.

Why are my peanut butter cookies gritty? ›

The oils in natural peanut butter tend to separate, causing cookies to spread and take on a gritty texture. You can use it, but conventional peanut butter is preferred for the best cookie texture.

Why is my peanut butter not smooth? ›

Make sure you stop the processor every 30 seconds to 1 minute to scrape down the sides of the bowl. At first, the peanuts might become chunky, but they get smoother and runny as you blend them. Don't worry, the butter will thicken when it comes to room temperature.

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