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February 7, 2021

French-Style Keto Chocolate Mousse

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This Keto Chocolate Mousse has an incredibly light and airy texture. Made in the classic French mousse style, it’s a decadent sugar-free dessert.

Titled image of two jars of keto chocolate mousse, one with a spoonful taken out

Real French chocolate mousse is a study in contrasts. It’s rich and creamy, but also impossibly light and airy. It’s a remarkable feat of dessert engineering that only the French could invent.

It’s been one of my favorite desserts since I was old enough to hold a spoon. And so it was one of the first desserts I ever made sugar-free, almost 10 years ago now.

It’s actually a perfect dessert recipe to make over. With the exception of the sugar itself, the ingredients are quite keto-friendly, so there aren’t a lot of adjustments and substitutions.

It is, however, something of a process. So we are taking a deep dive into making REAL keto chocolate mousse. Raw eggs and all!

A dollop of whipped cream being added to a jar of keto chocolate mousse

What is real chocolate mousse?

First, let’s discuss what chocolate mousse really is and what it’s not. We throw around the term mousse with abandon these days, and you see it applied to a great many creamy chocolate desserts.

I’m as guilty of that as anyone, to be honest. We all like easy recipes that whip up in minutes, so an “easy mousse” that relies on cream cheese or gelatin is certainly appealing.

And these desserts are delicious, too. But they don’t quite compare to the French style chocolate mousse, with its impossibly airy texture and rich, creamy mouthfeel.

This Keto Chocolate Mousse recipe definitely takes a bit more effort to make, and dirties a few more dishes. But oh my, is it ever worth it!

And yes, it really does take raw eggs, as is standard for French mousse. If that’s a barrier for you, then check out my Keto Sky High Mousse Pie to see how it can be made by heating the egg whites instead.

A jar of keto chocolate mousse with whipped cream on top beside an orange flower

How to make Keto Chocolate Mousse

It’s not hard to make this sugar free French mousse, but as stated above, it does take a bit more effort and time. And patience! Here are my best tips for getting it right:

Use unsweetened chocolate

This means chocolate with no sweetener whatsoever – no sugar, no erythritol, no stevia. I created my recipe long ago, when there really wasn’t any good keto friendly chocolate on the market. Since unsweetened chocolate has a higher fiber content, it helps provide structure and consistency.

Separate the eggs

One important tip: it’s always easiest to separate eggs when they are cold. So do this in advance and then let them come to room temperature for about half an hour.

Remember not to allow even a speck of yolk to get into the whites, or you will have trouble whipping them into peaks.

Seize the chocolate!

When adding the egg yolks to the melted chocolate, expect it to seize and get very thick and gloppy. This is completely normal. It will thin out again and become smooth as you whisk in the hot water.

Whip those egg whites

Whip them real good! Or until they hold stiff peaks. The cream of tartar and the salt help with this. If you don’t have cream of tartar, that’s okay too. But it does help stiffen the egg whites properly.

Dollop one big spoonful of the egg whites into the chocolate mixture to help lighten it, before folding the chocolate into the beaten egg whites.

Beat that cream

Beat it real good! Or at least until it holds stiff peaks. Then fold it into the egg white/chocolate mixture. And that’s it!

Close up shot of keto chocolate mousse being spooned out of the jar.

Can you make keto chocolate mousse ahead?

You can make this classic French style mousse a day in advance. But be forewarned that because it’s made with raw eggs, it should be consumed within 3 days.

If 6 servings is too much for you, you can cut this whole recipe in half.

More delicious keto mousse recipes

  • Keto Chocolate Hazelnut Mousse Cake
  • Keto Peanut Butter Mousse
  • Keto White Chocolate Mousse
  • Easy Keto Blender Chocolate Mousse
  • Keto Lemon Cheesecake Mousse
  • Sugar Free Coffee Creme Mousse
A jar of keto chocolate mousse with whipped cream on top beside an orange flower
Print

Classic Keto Chocolate Mousse

This Keto Chocolate Mousse has an incredibly light and airy texture. Made in the classic French mousse style, it's a decadent sugar-free dessert.
Course Dessert
Cuisine French
Keyword french chocolate mousse, keto chocolate mousse
Prep Time 30 minutes
Cook Time 5 minutes
Chill Time 2 hours
Total Time 35 minutes
Servings 6 servings
Calories 280kcal

Ingredients

  • 2 tbsp butter
  • 3 oz unsweetened chocolate chopped
  • 4 large eggs separated and at room temperature
  • 4 to 6 tbsp hot water
  • ½ cup powdered Swerve Sweetener divided
  • 1/8 tsp salt
  • 1/8 tsp cream of tartar
  • ¾ cup heavy cream
  • ½ tsp vanilla extract
US Customary – Metric

Instructions

  • In a small saucepan over low heat, melt the butter and chocolate together, stirring until smooth. Remove from heat and let cool to lukewarm.
  • In a small bowl, whisk egg yolks together until smooth. When the chocolate has cooled to lukewarm, whisk in the egg yolks. The mixture will become very thick and the chocolate will seize – this is normal.
  • Add 2 tablespoons of hot water and whisk vigorously. Continue to add 1 tbsp water at a time until chocolate mixture becomes smooth (will still be quite thick). Set aside.
  • In a large bowl, beat the egg whites with ¼ cup powdered Swerve, the salt and the cream of tartar until they hold stiff peaks. In another bowl, beat the cream with the remaining sweetener and the vanilla until it holds stiff peaks.
  • Stir a large dollop of the egg whites into the chocolate mixture to help lighten lighten it. Then carefully fold the chocolate mixture back into the egg whites. Fold in the whipped cream thoroughly but gently.
  • Divide amont 6 dessert dishes and refrigerate at least 2 hours.

Nutrition

Serving: 1serving = 1/6th of recipe | Calories: 280kcal | Carbohydrates: 5.2g | Protein: 6.9g | Fat: 24g | Fiber: 2.4g
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Filed Under: Other Desserts Tagged With: chocolate, eggs, whipped cream

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Nutritional Disclaimer

Please note that I am not a medical or nutritional professional. I am simply recounting and sharing my own experiences on this blog. Nothing I express here should be taken as medical advice and you should consult with your doctor before starting any diet or exercise program. I provide nutritional information for my recipes simply as a courtesy to my readers. It is calculated using MacGourmet software and I remove erythritol from the final carb count and net carb count, as it does not affect my own blood glucose levels. I do my best to be as accurate as possible but you should independently calculate nutritional information on your own before relying on them. I expressly disclaim any and all liability of any kind with respect to any act or omission wholly or in part in reliance on anything contained in this website.

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    Recipe Rating




  1. Tina Degenhardt says

    February 7, 2021 at 9:13 am

    Hi Carolyn
    I would love to make this for V Day. Can I use powdered egg whites?
    Tina

    Reply
    • Carolyn says

      February 7, 2021 at 1:17 pm

      No, I am sorry, they don’t whip properly and hold stiff peaks.

      Reply
  2. Joanne says

    February 7, 2021 at 10:53 am

    Hi, could one use hot coffee in place of the water?

    Reply
    • Carolyn says

      February 7, 2021 at 1:16 pm

      Yes, absolutely! I have done that in the past.

      Reply
  3. Pamela says

    February 7, 2021 at 2:41 pm

    Do you think pasteurized eggs would work? I pasteurize my own eggs (using my sous vide) for homemade mayonnaise and your blender mousse.

    Reply
  4. Carole says

    February 7, 2021 at 2:52 pm

    Could I replace the powdered Swerve with liquid Stevia drops in order to bring down the TOTAL carb grams? (I happen to love the taste of Stevia). Thanks so much.

    Reply
  5. Robyn Harris says

    February 7, 2021 at 5:34 pm

    5 stars
    I share your love of chocolate mousse, Carolyn. I am going to make this recipe and I will not change a thing. I may even put it in my little glass yogurt containers 😉 Thank you so much for sharing your exquisite recipes! 💕

    Reply
    • Carolyn says

      February 7, 2021 at 7:28 pm

      Enjoy!

      Reply
  6. Mimi Muraoka says

    February 8, 2021 at 12:40 am

    Does this have a dark chocolate taste or more of a milk chocolate taste? Is there a way to have it be more of a dark chocolate taste?

    Reply
  7. Andrea says

    February 10, 2021 at 10:40 am

    Carolyn, how does this compare to the chocolate mousse from your pie recipe? Thicker? Richer? I’ve made that twice so far. The first time the chocolate seized terribly (but I still ate it and it was still good). The second time I worked more quickly between steps and didn’t allow the egg whites to cool as much and it turned out perfectly. 😍

    Reply
    • Carolyn says

      February 10, 2021 at 3:08 pm

      This is classic French mousse, so it takes the whole egg and is more rich. And it’s raw egg… so you have to be confident in your eggs. The chocolate WILL seize… but that added liquid will smooth it out.

      Reply
  8. Mwt says

    February 11, 2021 at 12:01 pm

    Carolyn, I am brand new to your info. Pleased to find you on line this morning. I am going through the list of pantry items to purchase right now. A bit of a snag is that the protein powder you recommended is not available. Jarrow Whey Protein is currently unavailable and it is not known if the item will be back in stock. Is there another protein powder you recommend?

    Reply
    • Carolyn says

      February 11, 2021 at 12:52 pm

      That’s a pretty old post! This is my favorite whey protein: https://amzn.to/3tJTtwF

      Reply
  9. Kim says

    February 24, 2021 at 11:52 am

    5 stars
    I had no idea what making Mousse! I think I’m up for the task! Your instructions are great.

    Reply
  10. Natalie says

    February 24, 2021 at 12:03 pm

    5 stars
    This just melts in your mouth! And, it’s sugar free..I will be having this for dessert after every meal! Loved it!

    Reply
  11. Melissa says

    February 24, 2021 at 2:20 pm

    5 stars
    Great sugar free dessert so light and fluffy! My husband and I just love your recipe!

    Reply
  12. Natalie says

    March 25, 2021 at 1:18 pm

    5 stars
    This just melts in your mouth! It’s so smooth & creamy & you can’t tell it’s keto friendly!

    Reply
  13. Beth says

    March 25, 2021 at 1:18 pm

    5 stars
    This looks so yummy and perfect for my two chocolate lovers! So excited to give this a try!

    Reply
  14. April says

    March 25, 2021 at 1:27 pm

    5 stars
    This was sooooo good. Creamy and rich and delicious, yum!

    Reply

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Carolyn PortraitLooking for the best low carb recipes? You've come to the right place! I'm Carolyn, a major carnivore and an unrepentant sweet tooth. Here you will find all you need to enjoy the low carb keto lifestyle to the fullest! Read more

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