Layered chocolate mousse cake is a luxurious dessert that combines the deep, rich flavors of chocolate with varying textures to create a truly decadent experience. Originating from French patisseries, this dessert has made its way into the hearts of chocolate lovers worldwide. By mastering this recipe, you'll not only impress your guests but also indulge in the art of creating a sophisticated dessert that captures the essence of chocolate in three delightful forms.
This layered chocolate mousse cake pairs beautifully with a fresh berry compote or a dollop of lightly sweetened whipped cream, which can balance the richness of the chocolate. A side of vanilla ice cream or a drizzle of raspberry sauce can also complement the flavors nicely, adding a touch of tartness and creaminess to each bite. For a complete experience, serve with a cup of freshly brewed coffee or a glass of dessert wine, such as a rich port or a smooth sherry.
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Layered Chocolate Mousse Cake
Servings: 12 servings

Ingredients
1 cup all-purpose flour
1/2 cup unsweetened cocoa powder
1 teaspoon baking powder
1/2 teaspoon salt
1/2 cup unsalted butter, softened
1 cup granulated sugar
2 large eggs
1 teaspoon vanilla extract
1/2 cup whole milk
8 ounces semisweet chocolate, chopped
2 cups heavy cream
1/4 cup powdered sugar
1 tablespoon unflavored gelatin
1/4 cup water
1/2 cup unsweetened cocoa powder
1 teaspoon baking powder
1/2 teaspoon salt
1/2 cup unsalted butter, softened
1 cup granulated sugar
2 large eggs
1 teaspoon vanilla extract
1/2 cup whole milk
8 ounces semisweet chocolate, chopped
2 cups heavy cream
1/4 cup powdered sugar
1 tablespoon unflavored gelatin
1/4 cup water
Directions
Preheat your oven to 350°F (175°C). Grease and line the bottom of a 9-inch round cake pan.
In a bowl, whisk together flour, cocoa powder, baking powder, and salt.
In a separate bowl, cream the butter and sugar until light and fluffy. Add the eggs one at a time, mixing well after each addition. Stir in the vanilla extract.
Alternately add the flour mixture and milk to the butter mixture, starting and ending with the flour. Mix until just combined.
Pour the batter into the prepared cake pan and smooth the top. Bake for 25-30 minutes, or until a toothpick inserted in the center comes out clean. Let the cake cool in the pan for 10 minutes, then turn out onto a wire rack to cool completely.
For the mousse, melt the chocolate in a heatproof bowl set over a pan of simmering water. Let it cool slightly.
In a small bowl, sprinkle the gelatin over the water and allow it to bloom for 5 minutes. Then gently heat until dissolved.
In a large bowl, whip 1 1/2 cups of the heavy cream with the powdered sugar until soft peaks form. Fold in the melted chocolate, followed by the gelatin mixture. Spread the mousse over the cooled cake layer and refrigerate until set, about 2 hours.
To make the glaze, heat the remaining 1/2 cup of heavy cream until it begins to simmer. Pour over the remaining chopped chocolate and let sit for 5 minutes, then stir until smooth and glossy.
Pour the glaze over the set mousse layer, spreading it evenly. Refrigerate until the glaze is firm, about 1 hour.
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Slice the cake with a warm knife for clean cuts. Serve and enjoy.
Variations & Tips
For a different flavor profile, consider adding a tablespoon of espresso powder to the cake batter to enhance the chocolate flavor. You could also incorporate a layer of fruit preserves, such as raspberry or orange, between the cake and mousse layers for a tart contrast. For those with dietary restrictions, try substituting the heavy cream with coconut cream for a dairy-free version, or use gluten-free flour for the cake base. To add a decorative touch, top the glaze with chocolate shavings or fresh berries before serving.