Chocolate Mousse Cake Recipe

Mak Erot

4 min read

·

Mar 30, 2025

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Decadent Chocolate Mousse Cake Recipe: A Step-by-Step Guide

Are you ready to tantalize your taste buds with a heavenly chocolate mousse cake? This recipe will guide you through creating a rich, decadent dessert that's perfect for any occasion – from romantic dinners to birthday celebrations. Get ready to impress your friends and family with this show-stopping masterpiece!

Ingredients You'll Need:

This recipe is designed for a classic chocolate mousse cake, but feel free to adjust the sweetness and chocolate type to your preference.

For the Chocolate Cake:

• 1 ½ cups (190g) all-purpose flour
• 2 cups (400g) granulated sugar
• ¾ cup (60g) unsweetened cocoa powder
• 1 ½ teaspoons baking powder
• 1 ½ teaspoons baking soda
• 1 teaspoon salt
• 1 cup (240ml) buttermilk
• ½ cup (120ml) vegetable oil
• 2 large eggs
• 2 teaspoons vanilla extract
• 1 cup (240ml) freshly brewed hot coffee

For the Chocolate Mousse:

• 1 cup (240ml) heavy cream, cold
• 1 cup (200g) semi-sweet chocolate, finely chopped
• ½ cup (100g) bittersweet chocolate, finely chopped (optional, for a richer chocolate flavor)
• 4 large eggs, separated
• ¼ cup (50g) granulated sugar
• 1 teaspoon vanilla extract

For the Ganache (optional):

• ½ cup (113g) semi-sweet chocolate, finely chopped
• ½ cup (120ml) heavy cream

Step-by-Step Instructions:

Baking the Chocolate Cake:

1. Preheat & Prep: Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans.
2. Dry Ingredients: In a large bowl, whisk together the flour, sugar, cocoa powder, baking powder, baking soda, and salt.
3. Wet Ingredients: In a separate bowl, whisk together the buttermilk, oil, eggs, and vanilla extract.
4. Combine: Gradually add the wet ingredients to the dry ingredients, mixing on low speed until just combined.
5. Coffee Infusion: Slowly pour in the hot coffee while mixing on low speed. Mix until the batter is smooth.
6. Bake: Divide the batter evenly between the prepared cake pans. Bake for 30-35 minutes, or until a toothpick inserted into the center comes out clean.
7. Cool: Let the cakes cool in the pans for 10 minutes before inverting them onto a wire rack to cool completely.

Making the Chocolate Mousse:

1. Whip the Cream: In a large bowl, whip the cold heavy cream until stiff peaks form. Set aside.
2. Melt the Chocolate: In a heatproof bowl set over a pan of simmering water (double boiler), melt the chocolate until smooth. Remove from heat and stir in the vanilla extract.
3. Whisk Egg Yolks & Sugar: In a separate bowl, whisk together the egg yolks and sugar until pale and thick.
4. Temper the Chocolate: Gradually whisk a spoonful of the melted chocolate into the egg yolk mixture to temper it. Then, gently pour the tempered mixture into the remaining melted chocolate, stirring until combined.
5. Fold in Egg Whites: In a clean bowl, beat the egg whites until stiff peaks form. Gently fold the whipped egg whites into the chocolate mixture until just combined.
6. Combine Mousse & Cream: Gently fold the whipped cream into the chocolate mixture until just combined. Be careful not to overmix.

Assembling the Cake:

1. Level Cakes (Optional): If your cakes have domed tops, use a serrated knife to level them.
2. Layer & Frost: Place one cake layer on a serving plate or cake stand. Spread half of the chocolate mousse over the layer. Top with the second cake layer and frost the entire cake with the remaining mousse.
3. Chill: Refrigerate the cake for at least 4 hours, or preferably overnight, to allow the mousse to set.
4. Ganache (Optional): Melt the chocolate for the ganache as directed above. Pour the heated cream over the melted chocolate and whisk until smooth and glossy. Pour the ganache over the chilled cake and let it set before serving.

Tips for Success:

• Use high-quality chocolate for the best flavor.
• Make sure your eggs are at room temperature for optimal volume when whipping.
• Don't overmix the mousse, or it will become dense.
• Allow the cake to chill completely before serving for the best texture.

Enjoy your incredibly delicious homemade chocolate mousse cake! Remember to share your creations and tag us on social media! #ChocolateMousseCake #HomemadeCake #DessertRecipe #Baking

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