Dark Chocolate Cake with Chocolate Mousse Filling (30-Minute Recipe)


This dark chocolate cake with chocolate mousse filling is so rich, creamy, and yummy! You can prepare it for the weekend and surprise your family and friends with a nice piece of chocolate cake and a cup of coffee or tea. Plus, it can be a perfect dessert for birthdays, baby showers, anniversaries, and many other special occasions. You will need around 30-40 minutes to prepare it and some extra time for cooling. Here is the recipe:

Dark Chocolate Cake with Chocolate Mousse Filling

Ingredients:

For the chocolate cake:

  • 1 ¾ cups all-purpose flour
  • ¾ cup cocoa powder
  • 2 cups sugar
  • 1 ½ teaspoons baking powder
  • 1 teaspoon baking soda
  • A pinch of salt
  • 2 eggs
  • ½ cup vegetable oil
  • 1 cup milk
  • 2 teaspoons vanilla extract
  • 1 cup hot water

For the chocolate mousse filling:

  • 1/2 cup hot water
  • 4 tablespoons cocoa powder
  • 2 cups heavy cream
  • 7-ounce dark chocolate
  • 2 tablespoons sugar

Topping:

  • Dark chocolate ganache (here is the recipe: LINK – optional, or
  • Cocoa powder, to dust – optional

 

Instructions:

To make the cake layers:

  • Preheat oven to 350°F/180°C/Gas Mark 4. Grease and flour two 9-inch round baking pans.
  • In a bowl, mix together sugar, flour, cocoa, baking soda, baking powder, and salt. Add milk, eggs, vanilla, and oil and whisk on medium speed for around 2 minutes. Pour in the boiling water (the batter will be thin- and that’s fine). Divide batter into cake pans.
  • Place in the oven and bake for around 30-35 minutes or until a tester inserted in the middle comes out clean. Let cool in the pan for around 10 minutes; then, remove from pans to wire racks and cool completely.
  • When cakes have cooled, take a sharp serrated knife to layer each 9” cake – (cut the cakes evenly in 1/2 horizontally, in order to end up with 4, thin, 9” cake pieces). Set aside.

To make the mousse filling:

  • In a cup of hot water add the cocoa powder and stir to dissolve. In a microwave or a double-boiler, melt the dark chocolate until smooth. Apply cocoa mix to the melted dark chocolate and combine until well incorporated.
  • In a separate bowl, whisk the sugar and heavy cream until stiff peaks form. Place the cream mix to the melted chocolate and combine with a spatula until well incorporated. Now, it’s time to complete the cake:
  • Apply the first cake layer on round serving plate. Add a filling on top of the cake layer. Repeat the procedure with the remaining cake layers, spreading a layer of filling between each cake layer.
  • You can reserve some mousse filling to spread it evenly around the whole outside and top of the cake. Place in the fridge for around 30 minutes to set.
  • Then, remove from the fridge and apply chocolate ganache over the top (if desired). Refrigerate until ready to serve! Slice.

Enjoy!

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