Easy Keto Peanut Butter Mousse Recipe

When you want a quick low carb treat, this keto peanut butter mousse is easy to make and so delicious! You can even top it off with some sugar-free chocolate.

Low carb and sugar free easy peanut butter mousse

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I love having quick and easy dessert recipes. 

Baked treats like cookies, brownies, pies, or cakes are great, but they do take time. Sometimes, I just want something sweet right now.

Keto peanut butter mousse is perfect for something fast and delicious! It’s great on its own for a simple treat, or you can add some sugar free chocolate on top.

This versatile recipe could also be used as a parfait layer or even as the base for a no bake pie. You can enjoy a few servings on their own, then get creative with the leftovers!

I like to use gelatin in my mousse to help stabilize it. If you don’t have gelatin, you could try this recipe without it. Just keep in mind that the mousse may not get as fluffy or go flat later.

Next time you’re in the mood for an easy dessert, try this quick and delicious peanut butter mousse!

Step by step instructions

This recipe is pretty simple. Once you bloom the gelatin, simply mix all the ingredients together!

gelatin water mixture

First, prep the gelatin:

  1. In a small bowl, sprinkle gelatin over cold water. Let it stand for two minutes to soften.
  2. After two minutes, add boiling water and stir until the gelatin is completely dissolved.
peanut butter mousse mix

Next, we beat the ingredients and mix everything together:

  1. In a medium bowl, beat the heavy cream with an electric mixer on high until it is whipped and thick.
  2. In a large bowl, use an electric mixer to beat together the peanut butter and low carb sweeteners until well combined.
  3. Fold the whipped cream into the sweetened peanut butter until the mixture is well-combined.
  4. While using the electric mixer on high, stream the gelatin into the mixture.
  5. Continue mixing until the mousse is light and fluffy.

That’s it! Simply spoon into small cups or bowls, top with sugar free chocolate chips if desired, and enjoy.

Quick and easy peanut butter mousse - low carb with no sugar added

Is peanut butter keto?

Peanut butter causes some debate in the keto community. But if you look at the carbs per servings, they can fit into daily macro requirements.

Because peanuts are technically legumes, strict keto dieters stay away from them. However, they aren’t as high in carbs as other legumes like beans.

Personally, I enjoy my peanut butter. I just factor it into my carb count for the day and eat it in moderation.

For those who refrain from eating peanuts or have peanut allergies, you could substitute almond or sunflower seed butter in this recipe.

An easy peanut butter mousse that's low carb

Serving suggestions

This easy peanut butter mousse is such a simple treat. I like to eat it plain or with some sugar-free chocolate chips mixed in. But since this recipe makes 12 servings, sometimes I get creative with the leftovers!

If you whip up a batch of my keto chocolate mousse, it’s easy to make a delicious parfait. Simply alternate the peanut butter and chocolate mousse layers, then enjoy.

One recipe I want to try is a chocolate chip peanut butter pie. To make it, I’d mix the chocolate chips into the mousse and then spread it into a chocolate cookie crumb crust like the one from my mocha cheesecake recipe. I bet it will be so good!

You can also use this easy mousse as a dip for sugar free chocolate. Simply put it in a dipping bowl surrounded by small chocolate bar pieces.

Whenever I serve this recipe that way, both the kids and the adults love it! I don’t even tell them it’s low carb and sugar free.

Low carb easy peanut butter mousse recipe

Other peanut butter recipes

Looking for a few more low-carb ways to enjoy this great flavor? Here’s a few of our favorite recipes:


Next time you’re craving something sweet, try this quick peanut butter mousse recipe. It’s easily made in ten minutes or less.

Enjoy the creamy snack by itself or blend it with some chocolate for an extra special treat. I recommend making my sugar-free chocolate recipe to serve with it!


keto peanut butter mousse

Keto Peanut Butter Mousse

A low carb mousse that goes great with some sugar-free chocolate chips mixed in. It doesn’t require a lot of time or ingredients.

Prep Time10 mins

Total Time10 mins

Course: Dessert

Cuisine: American

Print Pin Review Recipe


  • In small bowl, sprinkle gelatin over cold water.

  • Let stand two minutes to soften.

  • Add boiling water; stir until gelatin is completely dissolved.

  • In medium bowl, beat the heavy cream with electric mixer on high speed until thickly whipped.

  • In a large bowl, beat the peanut butter with the powdered erythritol and stevia using an electric mixer until well combined.

  • Fold whipped cream into sweetened peanut butter.

  • Add gelatin and beat with electric mixer on high until light and fluffy.

  • Spoon into individual sized dessert dishes and sprinkle optional sugar-free chocolate chips on top.


The gelatin should be all liquid and still warm when streaming it into the cream mixture as you are whipping with an electric mixer. For a great chocolate peanut butter pie, mix in sugar-free chocolate chips and spread into pre-made low carb crust. For a chocolate peanut butter parfait, layer with dark chocolate mousse Net carbs per serving: 5.3g

Low Carb Sweeteners | Keto Sweetener Conversion Chart

low carb yum 5-ingredient keto


Serving: 77g | Calories: 307kcal | Carbohydrates: 7.7g | Protein: 12.7g | Fat: 26.3g | Saturated Fat: 8.2g | Cholesterol: 27mg | Sodium: 16mg | Potassium: 15mg | Fiber: 2.4g | Sugar: 2.4g | Vitamin A: 300IU | Calcium: 10mg | Iron: 4.7mg

Additional Info

Net Carbs: 5.3 g | % Carbs: 6.9 % | % Protein: 16.5 % | % Fat: 76.7 %

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Note on Nutritional Information

Nutritional information for the recipe is provided as a courtesy and is approximate only. We cannot guarantee the accuracy of the nutritional information given for any recipe on this site. Erythritol carbs are not included in carb counts as it has been shown not to impact blood sugar. Net carbs are the total carbs minus fiber.

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First Published: February 19, 2012… Last Updated: June 23, 2020

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