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Chocolate Mousse Raspberry Cake

Chocolate Mousse Raspberry Cake

  • Author: Delphine Fortin
  • Prep Time: 1 hour 30 mins
  • Cook Time: 20 mins
  • Total Time: 1 hour 50 mins
  • Yield: 6 servings 1x
  • Category: Dessert


A soft and moist chocolate cake layer topped with raspberries and a fluffy chocolate mousse. This cake is a chocoholic’s dream of rich and intense flavors.



For the cake base:

  • 3/4 cup (90g) ground almonds
  • 4 Tablespoons (30g) cocoa powder
  • 4 Tablespoons (30g) all-purpose flour
  • 1 pinch salt
  • 2 eggs
  • 1/2 cup (100g) granulated sugar
  • 1/3 cup (80 ml) vegetable oil
  • 1/3 cup (80 ml) sour cream

For the raspberry filling*:

  • 3 cups (375g) raspberries
  • 3 Tablespoons maple syrup or honey
  • 3 Tablespoons chia seeds

For the chocolate mousse filling:

  • 4 eggs, separated
  • 2.5 ounces (70g) mascarpone
  • 3 ounces (85g) heavy cream
  • 10 ounces (300g) dark bittersweet chocolate
  • 2 Tablespoons (30g) caster sugar


For the cake base:

  1. Pre-heat oven to 350°F (180°C) and grease a 8-inch spring form. Line the bottom with parchment. Grease the parchment too.
  2. Mix ground almonds, cocoa, flour and salt in a small bowl. In a separate bigger bowl, whisk eggs, sugar, oil and sour cream.
  3. Add the dry mixture into the wet one and stir till just combined.
  4. Bake for 20-25 minutes and allow cool in the pan before turning out on the rack. When completely cooled, line the same loaf pan with cling film, covering the bottom and the edges of the pan. Place the cake back in the pan and leave to rest in the refrigerator for about 1 hour.

For the raspberry filling:

  1. Heat berries in a saucepan over medium-high heat until mashed.
  2. Add chia seeds and maple syrup/honey, stirring occasionally, until liquid has reduced and mixture has thickened. Transfer to a container and chill in the refrigerator until cool.

For the chocolate mousse filling:

  1. Melt the chocolate in the microwave, stirring every 10 seconds, until just smooth. Set aside.
  2. Whisk the egg yolks and pour in the melted chocolate, whisking continuously.
  3. Prepare the double cream by combining the mascarpone and heavy cream together. Whisk with an electric hand mixer until soft peaks form. Fold the egg-chocolate mixture into the softly whipped cream.
  4. In a separate bowl, beat the egg whites with an electric hand mixer until the whites start foaming. While still whisking the eggs, start adding the sugar, a teaspoon at a time, until the whites form stiff glossy peaks.
  5. Quickly stir in one third of the meringue to the chocolate mixture. Add the rest of the meringue in and fold gently.
  6. Pour this mousse on top of the cake and smooth out the top. Place in the refrigerator for 2 hours. Remove from the refrigerator about 15-20 minutes before serving.


* For a quicker version, use raspberry jam.