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    Home » Desserts

    Low Carb Chocolate Mousse Cake

    Published: Dec 13, 2018 · Updated: Jul 13, 2021 by Angela Coleby · This post may contain affiliate links · This blog generates income via ads ·

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    Gluten FreeNut FreeLow CarbVegetarian

    A low carb chocolate mousse cake that is a delicious trio of chocolate.  A dessert for celebrations, family gatherings and holidays.

    This chocolate mousse cake was lighter than I had initially expected.  The coconut sponge cake is not heavy, and the chocolate mousse is easy on the palate too.  I used a chocolate ganache for the topping, but you could opt to leave this out and perhaps sprinkle a dusting of cocoa powder instead.

    This was one of my recipes that I had initially just put together without noting the ingredients and quantities, then kicking myself as the end results was delicious and definitely “blog worthy”.  I had a friend visiting the island and wanted an easy dessert that could be made ahead of his arrival.  Knowing he loves chocolate, I threw his together and then cursed myself for not remembering exactly what I did to make this chocolate mousse cake. Eventually I had a play and came up with this version.

    If you want to serve this on the same day of baking it, make this first thing in the morning.  By the early evening, the chocolate mousse and ganache will have set whilst the chocolate cake will still be fresh and light.

    The rum used in this chocolate mousse cake is purely optional but almost essential in the Caribbean!  I sprinkled some rum over the cooked chocolate sponge cake and added a dash or two to the chocolate mousse.  The rum flavour was not overpowering but gave this chocolate mousse cake a holiday flavour!

    This cake is a must for chocolate lovers and could be happily served up to your family and friends without them knowing it’s a sugar free and grain free option.   At the end of the day it’s purely a low carb chocolate cake with a chocolate mousse topping and garnished with a chocolate ganache!  Three levels of chocolate goodness to enjoy!

    Other Low Carb Mousse Cakes You May Enjoy

    Pumpkin Mousse Cake

    Raspberry Mousse Cake

    Lemon Mousse Cake

    Chocolate Mousse Cake

    Angela Coleby
    A low carb chocolate mousse cake that is a delicious trio of chocolate. A dessert for celebrations, family gatherings and holidays.
    Print Recipe Pin Recipe
    Prep Time 25 mins
    Cook Time 30 mins
    Chilling Time 4 hrs
    Total Time 55 mins
    Course Dessert
    Cuisine American
    Servings 12 Slices
    Calories 428 kcal

    Ingredients
     
     

    CAKE

    • ½ cup coconut flour
    • 5 eggs separated
    • ½ cup erythritol
    • ½ cup butter, unsalted softened
    • ½ teaspoon baking powder
    • ⅓ cup cocoa powder unsweetened
    • 5 tablespoons coconut milk
    • 2 tablespoons rum (optional)

    MOUSSE

    • 1.5 cups whipping cream
    • 1.25 cups chocolate chips semi sweet
    • 3 tablespoons rum (optional)

    GANACHE TOPPING

    • ½ cup whipping cream
    • 0.5 cup chocolate chips semi sweet

    Instructions
     

    MAKING THE CAKE

    • Preheat the oven to 180C/350F degrees
    • Grease and line an 8 inch springform cake tin with parchment paper
    • In a bowl, mix the butter and erythritol and blend well.
    • Add the egg yolks and coconut milk. Combine until smooth.
    • Add the dry ingredients to the wet mixture and whisk until smooth
    • In a bowl, whisk the egg whites until stiff.  Fold into the cake mixture.
    • Spoon the cake mixture into the cake tin and smooth over evenly with a spoon. 
    • Bake for 30 minutes until firm.
    • Remove from the oven and allow to cool

    MAKE THE MOUSSE

    • Melt the chocolate in a Bain Marie (or you could zap it in the microwave).
    • In another bowl, whip the cream until stiff peaks
    • Fold the cream into the melted chocolate and mix gently.
    • Add the rum and stir.
    • Spoon over the cake sponge evenly.
    • Chill for at least 2 hours until firm.

    MAKE THE GANACHE TOPPING

    • Make the ganache topping by bringing the cream to a boil in a pan. 
    • Break up the chocolate and place in a bowl.  
    • Pour the cream over the chocolate and whip until smooth.  
    • Let cool slightly and then slather over the chocolate mousse.
    • Return to the fridge and chill for at least an hour.

    Notes

    The net carbs will be the total carb count minus the fibre count. Carb count excludes sugar alcohols.
    Any nutritional analysis on the website is based on an estimate, calculated by http://nutritiondata.self.com from the individual ingredients in each recipe. Variations may occur for various reasons, including product availability and food preparation. We make no representation or warranty of the accuracy of this information

    Nutrition

    Serving: 1sliceCalories: 428kcalCarbohydrates: 16gProtein: 6gFat: 35gFiber: 6g
    Have you tried this recipe? Leave a review or take a picture and share it on InstagramMention @Divalicious_Recipes or tag #divaliciousrecipes


    This post may contain affiliate links. Please read my disclosure policy for more info.

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    Reader Interactions

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      Recipe Rating




    1. Shaunti

      October 07, 2022 at 6:22 am

      Hi, I would love to make these into cupcakes for my Birthday party tomorrow. Would I just follow the recipe as is?
      I got paper cup liners for my silicone baking trays

      Reply
      • Angela Coleby

        October 07, 2022 at 9:17 am

        I love the idea of cupcakes for this recipe. I would follow the recipe as it is and perhaps reduced the baking time by 5-10 minutes. Hope your birthday party is a great time!

        Reply
    2. Rainlily

      December 15, 2018 at 11:39 pm

      This cake looks delicious! You said the eggs should be separated, but I didn't see a step to whip the egg whites and incorporate them separately. Am I missing something in the directions?

      Reply
      • Angela Coleby

        December 16, 2018 at 10:45 am

        They should be folded. Recipe updated!

        Reply
        • Rainlily

          December 16, 2018 at 6:03 pm

          Thanks for clarifying that, Angela. I will definitely have to give it a try!

          Thank you for all your amazing recipes & Merry Christmas to you & yours!

          Reply
          • Angela Coleby

            December 16, 2018 at 6:58 pm

            Merry Christmas to you too! Happy baking and eating!

            Reply

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    Hi, I'm Angela ! I'm the creator behind all the tasty low carb & gluten free recipes at Divalicious Recipes. I live in sunny St Lucia with the Chief Taster and my dogs & cats.

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