Chocolate Mousse Cake

Course: Dessert
Cuisine: American
Keyword: coconut flour recipes, easy dessert, family friendly recipe, gluten free low carb recipes
Prep Time: 25 minutes
Cook Time: 30 minutes
Chilling Time: 4 hours
Total Time: 55 minutes
Servings: 12 Slices
Calories: 428kcal
Author: 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



  • 1/2 cup coconut flour
  • 5 eggs separated
  • 1/2 cup erythritol
  • 1/2 cup butter, unsalted softened
  • 1/2 teaspoon baking powder
  • 1/3 cup cocoa powder unsweetened
  • 5 tablespoons coconut milk
  • 2 tablespoons rum (optional)


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


  • 1/2 cup whipping cream
  • 0.5 cup chocolate chips semi sweet



  • 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


  • 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 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.


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 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


Serving: 1slice | Calories: 428kcal | Carbohydrates: 16g | Protein: 6g | Fat: 35g | Fiber: 6g