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- Once the cakes have cooled, place one layer on a serving plate or cake stand. Spread a generous layer of the chocolate mousse over the top of the cake.
- Carefully place the second cake layer on top and gently press down.
- Spread the remaining mousse over the top and sides of the entire cake. Use an offset spatula to smooth the mousse evenly over the cake. Refrigerate for at least 2 hours to allow the mousse to set and firm up.
4. Prepare the Ganache (Optional):
- For an extra decadent touch, make the ganache topping. Heat 1/2 cup heavy cream in a saucepan over medium heat until it just begins to simmer.
- Remove from heat and pour over the chopped chocolate. Let it sit for 2-3 minutes, then stir until smooth and glossy.
- Let the ganache cool slightly before pouring it over the top of the cake. Allow the ganache to drip down the sides for a beautiful finish.
5. Serve:
- Once the cake is fully set and the ganache has hardened, slice and serve. For an extra touch, garnish with chocolate shavings, cocoa powder, or whipped cream.
Tips:
- Make-Ahead: This cake can be made a day in advance and refrigerated overnight to let the mousse set even more.
- Flavor Variations: You can add a touch of espresso powder to the cake batter for a richer chocolate flavor or infuse the mousse with a bit of liqueur like Bailey’s or Grand Marnier.
- Storage: Keep the cake stored in an airtight container in the refrigerator for up to 4 days.
This Decadent Chocolate Mousse Cake is rich, velvety, and full of intense chocolate flavor. The layers of moist cake and airy mousse create a dessert that’s sure to impress any chocolate lover!
