If you have a serious sweet tooth and love the rich, silky texture of chocolate desserts, this Chocolate Mousse Cake Recipe is going to be your new best friend in the kitchen. Imagine a luscious cake layered with moist, intensely chocolaty sponge and fluffy, dreamy mousse that melts on your tongue. It’s indulgence taken to the next level, yet surprisingly straightforward to make. Whether you’re celebrating a special occasion or just craving a delightful treat, this recipe promises to deliver a truly memorable chocolate experience with every bite.

Ingredients You’ll Need
Don’t let the simple list fool you – each ingredient plays a crucial role in creating the perfect balance of richness, softness, and flavor in this cake. From the deep notes of dark chocolate to the lightness of whipped cream, every element brings something special to the table.
- 8 oz dark chocolate: The star ingredient providing richness and that irresistible intense chocolate flavor.
- 4 large eggs: Adds structure and helps in creating a fluffy texture when whipped properly.
- 1 cup granulated sugar: Sweetens the cake and aids in achieving a smooth batter.
- 1/2 cup unsalted butter: Enhances moistness and adds a velvety finish to the cake layers.
- 1 tsp vanilla extract: Offers a subtle sweetness that balances the deep chocolate notes beautifully.
- 1/4 cup all-purpose flour: Gives the cake just enough body without weighing down its softness.
- 1/4 cup unsweetened cocoa powder: Boosts the chocolate intensity and adds richness to the cake base.
- 1 cup whipped cream: Lightens the overall texture and brings that classic mousse creaminess between and atop the cake layers.
How to Make Chocolate Mousse Cake Recipe
Step 1: Prep Your Oven and Pans
Start by preheating your oven to 350°F (175°C). While the oven heats, grease two 9-inch round cake pans thoroughly and dust them with cocoa powder instead of flour. This small tip makes sure your cakes release easily, while also adding an extra hint of chocolate flavor to the crust.
Step 2: Melt Chocolate and Butter
Gently melt the dark chocolate and unsalted butter together until the mixture is smooth and glossy. You can use a double boiler or carefully melt them in short bursts in the microwave. This step is where the magic begins as the rich, creamy chocolate base for your cake forms.
Step 3: Whisk Eggs and Sugar
In a separate bowl, whisk your eggs and granulated sugar until the mixture turns pale and fluffy. This aeration is key to the lightness of the cake, so take your time here to get the right fluffy consistency. Once ready, fold in the melted chocolate and butter mixture gently to keep that light texture intact.
Step 4: Incorporate Dry Ingredients
Sift together the all-purpose flour and unsweetened cocoa powder. Sifting ensures there are no lumps and that these dry ingredients blend smoothly into the batter. Carefully fold them into your chocolate-egg mixture to keep the batter airy and well combined. Overmixing here could make the cake dense, so gentle is best.
Step 5: Bake the Cake Layers
Divide the batter evenly between your prepared pans and pop them into the oven. Bake for 25 to 30 minutes, keeping an eye out for that perfect spring-back when gently touched. Let the cakes cool completely on wire racks to reach the ideal texture for layering with mousse.
Step 6: Whip the Cream and Assemble
Whip your fresh cream until soft peaks form – the creamier the better for that satisfying mousse effect. Once your cakes have cooled, layer the whipped cream between the two cake rounds and spread a generous top layer as well. This finishing touch gives the cake its namesake creaminess and melts delightfully on the palate.
How to Serve Chocolate Mousse Cake Recipe

Garnishes
A drizzle of chocolate ganache or a light dusting of cocoa powder adds a beautiful shine and extra depth to the cake’s presentation. Fresh raspberries, strawberries, or even a sprinkle of chopped nuts can cut through the richness with a burst of color and texture.
Side Dishes
Pairing your Chocolate Mousse Cake Recipe with a scoop of vanilla ice cream or a dollop of coffee-flavored whipped cream makes for an impressive dessert spread. If you want something lighter, fresh berries or a citrus sorbet offer a refreshing balance to the cake’s richness.
Creative Ways to Present
Transform this cake into a showstopper by serving individual mousse cake parfaits in clear glasses, layering cake pieces with mousse and whipped cream. Or, dust the top with edible gold flakes for an elegant touch that will wow guests at any party.
Make Ahead and Storage
Storing Leftovers
Leftover Chocolate Mousse Cake Recipe can be stored covered in the refrigerator for up to 3 days. Make sure to keep it well wrapped or in an airtight container to prevent it from drying out or absorbing other fridge odors.
Freezing
You can freeze the cake for longer storage – slice it into portions, wrap tightly in plastic wrap, and add a layer of foil. Frozen mousse cake stays delicious for up to a month. Thaw it overnight in the fridge before serving to keep that melt-in-the-mouth quality.
Reheating
Since this is a mousse-based cake, reheating is not recommended as it will affect the texture of the whipped cream. Enjoy it chilled to fully appreciate the balance of flavors and the luxurious mousse consistency.
FAQs
Can I use milk chocolate instead of dark chocolate?
Absolutely! Using milk chocolate will make the cake sweeter and creamier, but it may lose some of that intense chocolate depth that dark chocolate provides. Adjust the sugar slightly if you prefer it less sweet.
Is there a substitute for eggs in this recipe?
Eggs add important structure and lightness here, so substituting them can be tricky. For an egg-free version, consider using commercial egg replacers or silken tofu, but note the texture might differ from the classic mousse cake.
How long does it take to whip the cream properly?
Depending on your mixer speed, whipping cream to soft peaks usually takes around 3-5 minutes. Keep a close eye and stop as soon as the cream can hold gentle peaks to avoid overwhipping into butter.
Can I make this cake gluten-free?
Yes, simply substitute the all-purpose flour with a gluten-free flour blend that measures cup-for-cup, and ensure your cocoa powder doesn’t contain cross-contamination. This keeps the cake safe for gluten-sensitive eaters without compromising texture.
Why is it important to sift the flour and cocoa powder?
Sifting removes any lumps and aerates the dry ingredients, which makes it easier to blend them evenly into the batter. This helps maintain a light, fluffy cake texture rather than a dense one.
Final Thoughts
There is something truly special about creating and sharing this Chocolate Mousse Cake Recipe. It combines the best of both worlds – the comforting familiarity of a chocolate cake and the luxurious silkiness of mousse – making it a real crowd-pleaser. Whether you’re baking for friends, family, or simply treating yourself, this recipe is sure to bring joy and smiles. So don’t hesitate—give it a try and experience the magic of chocolate in one unforgettable cake!
Print
Chocolate Mousse Cake Recipe
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Yield: 8 servings
- Category: Dessert
- Method: Baking
- Cuisine: French
Description
This rich and decadent Chocolate Mousse Cake features layers of moist chocolate cake infused with a luscious dark chocolate mousse, topped and filled with whipped cream. Perfect for chocolate lovers, this dessert balances smooth, creamy textures with intense cocoa flavor, making it an elegant treat for special occasions.
Ingredients
Cake Batter
- 8 oz dark chocolate
- 4 large eggs
- 1 cup granulated sugar
- 1/2 cup unsalted butter
- 1 tsp vanilla extract
- 1/4 cup all-purpose flour
- 1/4 cup unsweetened cocoa powder
Whipped Cream Topping
- 1 cup whipped cream
Instructions
- Preheat Oven: Preheat your oven to 350°F (175°C). Grease two 9-inch round cake pans thoroughly and dust them with cocoa powder to prevent sticking and add extra chocolate flavor.
- Melt Chocolate and Butter: In a heatproof bowl, gently melt the dark chocolate and unsalted butter together until smooth, ensuring no lumps remain. Set aside slightly to cool.
- Whisk Eggs and Sugar: In a large mixing bowl, whisk the eggs and granulated sugar vigorously until the mixture turns pale, light, and fluffy, indicating that enough air has been incorporated for a light texture.
- Combine Chocolate Mixture: Carefully fold the melted chocolate and butter mixture into the egg and sugar mixture, taking care to maintain the airy texture.
- Sift and Fold Dry Ingredients: Sift together the all-purpose flour and unsweetened cocoa powder to ensure no lumps, then gently fold them into the batter until just combined, without overmixing.
- Bake the Cakes: Evenly divide the batter between the prepared cake pans. Bake in the preheated oven for 25-30 minutes, or until a toothpick inserted in the center comes out clean. Remove and allow to cool completely on wire racks.
- Whip the Cream: Whip the cream until soft peaks form, achieving a light and airy texture suitable for layering.
- Assemble the Cake: Once the cakes have cooled, spread a layer of whipped cream between the two cake layers, then spread the remaining whipped cream evenly on top of the assembled cake before serving.
Notes
- Ensure the eggs and sugar mixture is whipped well to incorporate air for a light cake texture.
- Use high-quality dark chocolate for the richest flavor.
- Do not overbake the cake to keep it moist and tender.
- You can chill the cake before serving for firmer mousse texture.
- Optional: Dust the top with cocoa powder or garnish with chocolate shavings for added decoration.

