Calling all keto dieters! This keto chocolate mousse cake with keto whipped cream will satisfy all your chocolate and dessert cravings while you’re on the keto diet! It’s made with almond flour chocolate sponge cake layers, chocolate custard mousse and topped with vanilla keto whipped cream, all sweetened with stevia or erythritol! This mousse cake is unbelievably light, fluffy and chocolatey and not too sweet! This keto dessert recipe is bound to become a favorite!
*NET CARBS ~ 71 grams for the entire cake! With 8 servings, there will be approximately 9 net carbs per slice.*
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The Keto Chocolate Sponge Cake
Getting lots of volume in a keto cake recipe can be a bit tricky since there is no regular flour or gluten. To get the most volume, I use lots of eggs and fine almond flour, which won’t weigh down the eggs. To get the best results, it’s important to whisk the eggs on high speed in a very clean mixing bowl for 7 to 9 minutes, until they are pale, thick and voluminous. When adding the dry ingredients, take care to add them in small batches and fold gently but thoroughly.
I also added a bit of oil to this sponge cake recipe, which isn’t included in most recipes. The oil makes the sponge cake extra rich, almost like a brownie! It’s the perfect complement to the light and fluffy mousse layers.
The Keto Chocolate Mousse
I love chocolate mousse and this keto version is phenomenal! It’s everything you would want a regular chocolate mousse to taste and look like, but keto-friendly and low-carb! Every bite just melts in your mouth! It’s rich and chocolatey; light and fluffy; and the texture is spot on! This mousse with the chocolate cake makes the ultimate keto cake recipe!
For the mousse base, I make a simple chocolate custard. It’s important to let the custard cool completely before adding it to the whipped cream! Just cover the custard and place it into the refrigerator to cool. You can even make it a day ahead of time to save time.
More Recipes!
Enjoyed this keto cake and looking for more keto recipes? Check out some of my other recipes you’re sure to enjoy!
- Check out my ‘Berries & Cream Keto Cake’ next!
- And you’ll love my ‘Chocolate Strawberry Keto Cake’ with strawberry buttercream!
- And, I’ve added a new tab to my menu – ‘Keto & Low Carb’! Make sure to check out all the amazing recipes!
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Hi Tanya,
I have a few tips for Keto. We use Olive oil, avocado oil, butter or ghee. All other oils are not healthy. I am not a fan of stevia but I think its more concentrated than regular sugar. I use Swerve sweetener for my sweets I make. And I always use half of the portion then posted in recipes. Try it out.
Thank you so much for the suggestions! 🙂 I will try out avocado oil next time. The granulated stevia I used measures cup for cup like regular sugar, although I think for this recipe I could add even more – it wasn’t too sweet at all.
I’m sorry but this is not keto. Keto is low carb… this definitely is not low carb looking at all the sugar in here…
I’m using zero-calorie sugar replacement only. Zero sugar in this recipe 🙂
My cake really did not rise? Why?
This is because almond flour doesn’t behave the same way as all-purpose flour. There’s no gluten so you won’t really get air pockets like you would with a regular cake. Hope you still enjoyed it! 🙂
I can’t wait to try this for a friend! She’s been asking me to bake her something and she’s fallowing a Keto diet.
Thanks so much for honoring those of us on a Keto lifestyle by giving us a recipe! Yeah! However, I also would not use Stevia….not that good for a Keto recipe. I also use brand Swerve and olive oil works great on cakes….thanks again for the recipe!
I’m going to try Swerve next time, I’ve heard so much good feedback about it! 🙂
Has anyone tried making this with Swerve and did you keep the ratio the same with good results/sweetness? I want to make this for my husband’s birthday Saturday but we use Swerve or Lakanto Monkfruit blend.
I just bought some Swerve on several recommendations and looking forward to trying it! I think the same ratios would work 🙂
Did I miss the macros in this cake recipe? That’s the 1st thing I look for after I see a Keto recipe I’d like to try.
That would be a great thing to add! I’ll try to get that included soon 🙂
Is corn starch Keto?
My mistake! Use arrowroot powder instead of the cornstarch if you want to avoid the cornstarch, although it’s a pretty small amount
I’m really confused. Vegetable oils, and canola oil are not Keto friendly. Also corn starch isn’t Keto friendly as it raises insulin levels and can knock you out of ketosis. Canola and vegetable oils are so bad for you. Are there any suggestions for substitutes that make this Keto friendly?
Hi! The amount of cornstarch is really small but if you wanted to stick to strictly keto, you can substitute the cornstarch with arrowroot powder and use it just the same way. For the oil, you can use melted butter if that works better, or grapeseed oil 🙂
What oils would be best to replace the vegetable oil. Butter, olive oil, or grape oil? Also, how much swerve should I put into the cake?
I LOVE this recipe for sponge cake part. I use swerve instead of sugar and it’s cup for cup. This is the base I use for all my chocolate paleo cakes 🙂
I’m so glad to hear that! 🙂
How many carbs in a slice of this cake?
Sorry, haven’t had a chance to calculate the net carbs!
Need to know the macros on this. Specifically, how many carbs?
Hi Josh! I calculated approximately 71 net grams of carbs for the entire cake. With 8 servings, each slice will have approximately 9 net grams of carbs.
Hi Tatyana, Do you not include gram measurements anymore? Or maybe its just this one… I love your recipes since you include the grams for accurate baking…so thank you for that 🙂 Hopefully this wonderful feature will remain for us that use grams. Have a great day!
Hi Agnes! Thanks for reaching out! I just added the metric measurements to this cake recipe, too! Hope you enjoy the recipe! 🙂 Please let me know if there is any other recipe you would like me to convert! 🙂