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Chocolate Raspberry Mousse Cake Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.1 from 37 reviews
  • Author: Mary
  • Prep Time: 45 minutes
  • Cook Time: 0 minutes
  • Total Time: 4 hours 45 minutes
  • Yield: 8 servings
  • Category: Dessert
  • Method: No-Cook
  • Cuisine: American
  • Diet: Vegetarian

Description

This decadent Chocolate Raspberry Mousse Cake combines rich dark chocolate mousse with fresh raspberries and a crunchy cocoa-infused graham cracker crust. Perfectly layered and chilled to set, this dessert offers a luscious balance of creamy, fruity, and crunchy textures—ideal for any special occasion or an indulgent treat.


Ingredients

Scale

For the Chocolate Mousse

  • 1 cup dark chocolate chips
  • 1/2 cup heavy cream
  • 3 large eggs
  • 1/4 cup sugar
  • 1 teaspoon vanilla extract
  • 1/2 cup butter

For the Cake Base

  • 1 cup graham cracker crumbs
  • 1/4 cup cocoa powder

For the Filling

  • 1 cup fresh raspberries


Instructions

  1. Melt Chocolate and Butter: Using a double boiler, gently melt the dark chocolate chips together with the butter until smooth and combined. Set aside to slightly cool.
  2. Prepare Egg Mixture: In a separate bowl, whisk the eggs, sugar, and vanilla extract together until the mixture is light and slightly frothy.
  3. Combine Chocolate and Eggs: Slowly mix the melted chocolate and butter mixture into the egg mixture, stirring carefully to combine without curdling the eggs.
  4. Whip Heavy Cream: In another bowl, whip the heavy cream until soft peaks form, which will provide the light, airy texture to the mousse.
  5. Fold in Whipped Cream: Gently fold the whipped cream into the chocolate and egg mixture until evenly incorporated, preserving the mousse’s light texture.
  6. Prepare Cake Base: In a cake pan, evenly layer the graham cracker crumbs combined with the cocoa powder, pressing them gently to create a firm, chocolaty crust.
  7. Layer Mousse and Raspberries: Spread a layer of the chocolate mousse over the crust, then add a layer of fresh raspberries on top of the mousse.
  8. Repeat Layers: Add another layer of mousse followed by raspberries, finishing with a final top layer of mousse to cover the cake completely.
  9. Chill to Set: Refrigerate the assembled cake for at least 4 hours, allowing the mousse to fully set and flavors to meld before serving.

Notes

  • Use a double boiler or a heatproof bowl set over simmering water to gently melt the chocolate and butter to avoid burning.
  • Ensure the eggs are fresh and used safely, or consider using pasteurized eggs if concerned about raw egg consumption.
  • Gently fold the whipped cream to maintain the mousse’s airy texture and avoid deflating it.
  • For added texture, lightly toast the graham cracker crumbs before layering.
  • The cake is best served chilled but can be kept refrigerated for up to 2 days.