Keto Peanut Butter Mousse | Keto Desserts

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This deliciously easy Keto Peanut Butter Mousse recipe will make you forget you are following a low carb diet. It’s one of my favorite keto desserts to make! It is the perfect light and fluffy alternative to those dense fat bombs! At just 2g net carbs per serving and 5 simple ingredients, it’s impossible to resist!

peanut butter fluff in a jar with chocolate chips

How To Make Low Carb Peanut Butter Mousse

It’s hard to believe that something so good is low in carbs, contains healthy fats, AND taste amazing! Believe it or not, this fluffy mousse takes just a few minutes to whip up, so you don’t need to wait long to enjoy it. It is so rich in flavor yet super-light; you’ll be satisfied with just a few bites! I love it, even more, when I top it with Lily’s chocolate chips. Chocolate and peanut butter, how can you go wrong? So if you feel like indulging or have a craving for something sweet, this is it!

Ingredients:

  • Heavy Whipping Cream: This is the base of the mousse and is what creates the fluffy and airy result you want out of a mousse.
  • Cream Cheese: Cream cheese gives your keto mousse a nice, creamy consistency while adding more fat to the dessert.
  • Peanut Butter: Peanut butter adds healthy fat as well as flavor to your mousse. My favorite natural peanut butter to use in this mousse is Smucker’s Natural.
  • Swerve Confectioners Sugar: This is a great sugar-free keto-friendly way to add sweetness to your mousse. You can also use Lakanto Monkfruit Powdered at the same measurement.
  • Vanilla Extract: Vanilla adds a delicious flavor that goes a long way in this recipe.

Step by Step Pictures:

sugar free peanut butter, cream cheese, swerve confectioners sugar and vanilla extract in separate bowls

Step 1: Measure out your ingredients and allow you cream cheese to come to room temperature to allow it to mix easily.

whipped heavy cream in a bowl

Step 2: In a medium-sized bowl, beat heavy whipping cream until it almost doubles in size. Make sure your bowl and beaters are dry before adding the heavy whipping cream and beating to stiff peaks. It’s also important that the heavy whipping cream is cold.

all natural peanut butter being poured into a bowl

My favorite natural peanut butter to use in this mousse is Smucker’s Natural Crunchy. I love the extra texture the crunch adds.

peanut butter, sugar, cream cheese and vanilla extract mixed in a bowl

Step 3: In a separate bowl, add the softened cream cheese, natural peanut butter, Swerve Confectioners (or Lakanto Monkfruit Powdered), and vanilla then beat with a mixer until the fluff is smooth and creamy.

whipped cream and peanut butter mixture in a bowl

Step 4: Fold in your whipped cream gently. I like to use a rubber spatula for this. You want to keep as much air in the mousse as possible.

fluffy peanut butter mousse in a bowl

Step 5: You can dish out servings right out of the bowl or use a piping bag to pipe it into small glass jars if you want to be fancy. If you do not have a piping bag, use a plastic baggie, and snip off the corner!

keto peanut butter mousse piped into jars topped with chocolate chips

Isn’t this presentation gorgeous! It would be a great way to serve at a dinner party. You can fill your jars ahead of time and keep them in the fridge. No one would even know it’s keto!

How to store your mousse

Store in the fridge in an airtight container or individually in jars for up to a week. You can also freeze it as well, allowing it to last for about 6-8 weeks. We’ve never had any left-over at our house to freeze; it’s THAT Good.

Allergic to peanut butter?

You can replace the peanut butter with one of these keto-friendly substitutes:

  1. Almond butter
  2. Sunflower seed butter
  3. Coconut butter
  4. Macadamia nut butter
  5. Sesame seed butter (tahini)
  6. Cashew butter
  7. Pecan butter

overhead shot of peanut butter keto mousse in jars with chocolate chips

Other sweetener options:

Here are other keto sweeteners you can use. Just make sure to use powdered, aka confectioners sugar, as opposed to granulated.

Other than Swerve Confectioners, you can use Lakanto Monk Fruit Powdered, since both have a 1:1 ratio. I have recently started using Besti Monk Fruit with Allulose sweeteners and have been very impressed. Out of all the sweeteners that I have tried, it has the least bitter aftertaste to me.

Total net carbs per serving

This peanut butter mousse has just 2g of net carbs per serving. This serving size is based on six equal-sized servings.

Other keto mousse recipes you will love:

Other keto desserts made with Peanut Butter:

peanut butter mousse scooped on a spoon with chocolate chips

Don’t miss out!

If you aren’t already following my easy keto/low carb recipe page on Facebook, where I post all my new recipes, I’d love you to join us! Also, make sure to follow me on Pinterest.

If you are just getting started following a keto diet and would like more information, there are tons of fantastic resources. Amazon has several great books you may want to check out here.

 

Recipe for keto mousse with Peanut Butter:

peanut butter fluff in a jar with chocolate chips
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4.71 from 61 votes

Keto Peanut Butter Mousse

This deliciously easy Keto Peanut Butter Mousse recipe will make you forget you are following a low carb diet. It's one of my favorite keto desserts to make! It is the perfect light and fluffy alternative to those dense fat bombs! At just 2g net carbs per servings and 5 simple ingredients, it's hard to resist!
Prep Time15 minutes
2 hours
Total Time2 hours 15 minutes
Course: Dessert
Cuisine: American
Keyword: Peanut Butter Fat Bomb
Servings: 6
Calories: 169kcal
Author: Kasey Trenum

Instructions

  • In a medium-sized bowl, beat heavy whipping cream until it almost doubles in size. Set aside.
  • In a separate bowl, add the softened cream cheese, natural peanut butter, Swerve Confectioners (or Monkfruit Powdered), and vanilla then beat with a mixer until the peanut butter fluff is smooth and creamy.
  • Add the whipped cream to your peanut butter mixture and fold it in gently using a rubber spatula. Try to keep as much air in the mousse as possible. Mix until combined.
  • Grate unsweetened chocolate shavings on top or add Lily's Chocolate Chips over top. (This is optional, but it really makes it tastes so amazing!)
  • Serve right away or refrigerate overnight. (I think it is best kept in the refrigerator overnight and served the next day!)

Video

Notes

The sugar alcohols from Swerve are not included in the nutritional information since most subtract sugar alcohols to calculate net carbs. 
Sweetener Alternatives:
Other than Swerve Confectioners, you can use Lakanto Monk Fruit Powdered, since both have a 1:1 ratio. I also highly recommend using Besti Monk Fruit with Allulose powdered sugar. Out of all the sweeteners that I have tried, this one has the least amount of bitter aftertaste.
You can serve your mousse in small bowls or portion out your servings into jars.

Nutrition

Calories: 169kcal | Carbohydrates: 2g | Protein: 3g | Fat: 16g | Saturated Fat: 8g | Cholesterol: 47mg | Sodium: 95mg | Potassium: 79mg | Sugar: 1g | Vitamin A: 545IU | Calcium: 34mg | Iron: 0.2mg
Tried this recipe?Mention @kaseytrenumblogger or tag #kaseytrenumblogger!

peanut butter whipped cream recipe

You can substitute sugar-free chocolate chips instead of the chocolate shavings.

 

For more keto recipes check out my keto recipe index.

162 Comments

    1. I’m sure it could. I’ve never personally tried it though, so I can’t speak from personal experience.

  1. Wow, this is exactly what I was craving for 🙂
    I followed the recipe, and the taste was great – but it was a bit… dense. So I beat 1 egg white in a bowl until fluffy and peaky, and gently mixed it with the fluff mixture using a spatula.
    Result: a delicious, light, airy mousse !!

  2. Made this morning & it is so delicious! My husband & I have been eating 1 – Mini Keto Cheesecake every night & they are also very good. It’s just nice to have another s keto sweet to alternate & this recipe did it for us. Didn’t have any Lily’s chocolate chips so I swirled a little sugar free chocolate syrup on top. Will definitely make this again.

  3. I made these and used a mini cupcake tray and filled them with about a table spoon and got about 13 and put them in the freezer and they were AMAZING a few hours later! Almost like a little bite of ice cream! So so good! My husband is a peanut butter fan and fell in love! Thank you for the awesome recipe!

  4. Hello, I’m really desperate to make this tonight vs waiting til I can get some swerve do you think sweet leaf powder will work? It’s a Stevia sweetener

  5. When you say 4 ounces of cream cheese, how would I measure that? The dry ingredient scooper things come in a cup, 1/2 cup, 1/4 cup etc… idk which it is ?

  6. Kasey! You always have the best recipes. I have hesitated making this but just whipped up a batch. I used my immersion blender and it was so easy and I am crying at how good it is! I doubled the amount of cream just because I wanted it a little less sweet. Thanks for all these recipes. I don’t think I would have lasted on Keto without sites like yours. And yours is my fave by far!

  7. it says in the directions the recipe makes 6 servings but everyone in the comments is saying 8. is it 6 or 8 and what is a serving size

    1. The nutritional info has been reconfigured from 8 to 6. See the nutritional info on the recipe card for the correct info.

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