Print
clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon
Dark Chocolate Raspberry Mousse Cake

Dark Chocolate Raspberry Mousse Cake


5 Stars 4 Stars 3 Stars 2 Stars 1 Star

No reviews

  • Author: Lina
  • Total Time: 4 hours 55 minutes (including chilling time)
  • Yield: 8-10 servings
  • Diet: Gluten Free (if gluten-free cake base used)

Description

A decadent Dark Chocolate Raspberry Mousse Cake featuring rich layers of bittersweet dark chocolate mousse contrasted with a bright, tart raspberry puree, all atop a tender chocolate cake base. This elegant and light dessert is perfect for any celebration and can be made ahead to enhance flavor and texture.


Ingredients

Cake Base

  • Butter – amount as needed for cake base or crust
  • Chocolate sponge or brownie base (prepared from scratch or boxed mix)

Mousse Layer

  • Quality Dark Chocolate (70% cocoa or higher) – 200g
  • Heavy Cream – 300ml, chilled
  • Egg Whites – 3 large
  • Granulated Sugar – 50g
  • Vanilla Extract – 1 tsp
  • Gelatin – 1 tbsp (or agar-agar as vegetarian substitute)

Raspberry Puree Layer

  • Fresh Raspberries – 200g
  • Granulated Sugar – 2 tbsp (adjust to taste)
  • Gelatin – 1 tsp (or agar-agar as vegetarian substitute)

Instructions

  1. Prepare the Cake Base: Start by making a simple chocolate sponge or brownie base that will provide a sturdy foundation for the mousse layers. Bake it in your preferred pan and set aside to cool completely before assembling the mousse layers.
  2. Make the Raspberry Puree Layer: Blend fresh raspberries with a touch of sugar, then strain the mixture to remove seeds for a smooth, vibrant puree. Heat gently with gelatin to help it set into a firm yet soft jelly layer when cooled.
  3. Melt the Dark Chocolate: Gently melt the dark chocolate in a double boiler or microwave, stirring frequently to avoid burning. Once melted, allow it to cool slightly but remain pourable for mixing into the mousse.
  4. Whip the Cream: Beat chilled heavy cream until soft peaks form, being careful not to overwhip. This whipped cream will be folded into the chocolate and egg whites to create the mousse’s creamy texture.
  5. Whip the Egg Whites: Beat egg whites with sugar until they reach stiff peaks. This step is crucial to give the mousse its light, airy quality and volume.
  6. Combine Ingredients for the Mousse: Fold the melted chocolate gently into the whipped cream, then carefully incorporate the beaten egg whites, folding until well combined. This creates the luscious dark chocolate mousse layer.
  7. Assemble the Cake: Layer the cake base, followed by half of the dark chocolate mousse, then the raspberry puree layer. Add the remaining mousse on top, smoothing the surface before refrigerating.
  8. Chill and Set: Allow the assembled cake to chill in the refrigerator for at least 4 hours or overnight to ensure the mousse and raspberry layers fully set and the flavors meld beautifully.

Notes

  • Use high-quality dark chocolate (70% cocoa or higher) for richer flavor.
  • Ensure cream and egg whites are whipped to the correct peaks for best mousse texture.
  • Fold the mousse ingredients gently to preserve airiness.
  • Strain the raspberry puree well to remove seeds for a smooth texture.
  • Chill the cake overnight to allow flavors to meld and layers to set perfectly.
  • Frozen raspberries can be used if thawed and drained well to avoid excess moisture.
  • Use pasteurized egg whites if concerned about raw eggs.
  • Gelatin can be replaced with agar-agar for a vegetarian version (adjust amounts accordingly).
  • Egg-free versions are possible using whipped aquafaba instead of egg whites, with slight texture variations.
  • Store leftovers covered in the refrigerator and consume within 3-4 days.
  • Freeze wrapped tightly for longer storage and thaw overnight in the fridge before serving.
  • Serve chilled, avoid reheating to preserve mousse texture.
  • Prep Time: 30 minutes
  • Cook Time: 25 minutes
  • Category: Dessert
  • Method: Baking and chilling
  • Cuisine: International

Nutrition

  • Serving Size: 1 slice (approx. 1/10 of cake)
  • Calories: 350 kcal
  • Sugar: 30 g
  • Sodium: 50 mg
  • Fat: 25 g
  • Saturated Fat: 15 g
  • Unsaturated Fat: 8 g
  • Trans Fat: 0 g
  • Carbohydrates: 25 g
  • Fiber: 4 g
  • Protein: 5 g
  • Cholesterol: 70 mg