If you are searching for a dessert that feels both indulgent and elegant, look no further than this Chocolate Mousse Cake Recipe. This luscious cake brings together the rich, velvety texture of dark chocolate mousse with a moist, cocoa-infused cake base, making it the perfect treat to impress your friends and family. Every bite melts in your mouth like a dream, offering a delightful balance of deep chocolate flavor and creamy lightness that is simply irresistible.

Ingredients You’ll Need
The beauty of this Chocolate Mousse Cake Recipe lies in its simplicity. Each ingredient plays an essential role, whether it’s the dark chocolate that delivers intensity, the eggs that provide structure, or the whipped cream that adds a fluffy finish. You’ll find that using quality ingredients enhances every element, from texture to flavor.
- 8 oz dark chocolate: Choose good quality chocolate for a richer and more complex flavor.
- 4 large eggs: Essential for the cake’s rise and texture; separate freshest eggs if possible for best results.
- 1 cup granulated sugar: Balances the intense chocolate flavor with just the right amount of sweetness.
- 1/2 cup unsalted butter: Adds moisture and richness without overpowering the chocolate taste.
- 1 tsp vanilla extract: Enhances the overall flavor with a subtle aromatic note.
- 1/4 cup all-purpose flour: Provides structure without making the cake dense or heavy.
- 1/4 cup unsweetened cocoa powder: Deepens the chocolate flavor and gives a beautiful dark color.
- 1 cup whipped cream: Creates the light and airy mousse layer that completes the cake’s texture.
How to Make Chocolate Mousse Cake Recipe
Step 1: Prepare Your Pans and Oven
Start by preheating your oven to 350°F (175°C). Grease two 9-inch round cake pans thoroughly and dust them with cocoa powder instead of flour. This prevents sticking and adds a subtle chocolatey touch to the edges of your cake layers.
Step 2: Melt the Chocolate and Butter
Gently melt the dark chocolate and unsalted butter together until you achieve a smooth, glossy mixture. You can do this over a double boiler or in short bursts in the microwave, stirring frequently to avoid scorching. This silky blend is the foundation of the cake’s rich flavor and texture.
Step 3: Whisk Eggs and Sugar
In a separate bowl, vigorously whisk the eggs and granulated sugar until the mixture becomes pale, thick, and fluffy. This step is key for creating the light and airy texture of the cake base, as the whipped eggs trap air that helps it rise beautifully in the oven.
Step 4: Combine Mixtures and Add Dry Ingredients
Carefully fold the melted chocolate mixture into the egg and sugar batter, ensuring you keep the airiness intact. Then sift the all-purpose flour and unsweetened cocoa powder together to avoid lumps, and gently fold these into the batter until just combined. This technique ensures a tender crumb without overworking the batter.
Step 5: Bake the Cake Layers
Divide the batter evenly between the two prepared pans and bake for 25 to 30 minutes. You’re looking for a cake that springs back slightly when touched but still feels moist. Once baked, transfer the pans to wire racks and allow the layers to cool completely to room temperature before assembling.
Step 6: Whip the Cream and Assemble
Whip the fresh cream until soft peaks form—it should hold its shape but still be smooth. Use this whipped cream as the mousse layer by spreading a generous amount between the two cake layers and atop the cake. The light cream balances the dense chocolate cake perfectly, making this step truly the crowning glory of the Chocolate Mousse Cake Recipe.
How to Serve Chocolate Mousse Cake Recipe

Garnishes
Consider topping your cake with elegant garnishes like chocolate shavings, fresh berries, or a dusting of cocoa powder for an extra touch of sophistication. These little additions not only enhance the presentation but can also add delightful textures and flavors that complement the mousse cake beautifully.
Side Dishes
Pair your Chocolate Mousse Cake with lightly brewed coffee or a scoop of vanilla ice cream for a classic combination. Fresh fruit, such as raspberries or strawberries, also work wonderfully to cut through the richness and refresh the palate between bites.
Creative Ways to Present
If you want to impress guests, serve individual mousse cake portions in clear glass jars or trifle bowls layered with whipped cream and crushed cookies. You could even experiment with adding a sprinkle of sea salt or a drizzle of caramel sauce on top to create a decadent twist on this beloved Chocolate Mousse Cake Recipe.
Make Ahead and Storage
Storing Leftovers
This cake keeps beautifully in the refrigerator for up to 3 days. Store it in an airtight container to prevent it from absorbing other odors and to maintain the mousse’s refreshingly smooth texture.
Freezing
You can freeze your Chocolate Mousse Cake Recipe for longer storage—wrap the cake tightly in plastic wrap and then in foil, or place it in a sealed freezer container. It should keep well for up to a month. Thaw it overnight in the refrigerator for the best texture.
Reheating
Since this cake relies on delicate mousse and whipped cream, reheating is not recommended. Instead, enjoy it chilled for the best texture and flavor experience. If you prefer, bring the cake to room temperature for about 20 minutes before serving to soften it slightly.
FAQs
Can I use milk chocolate instead of dark chocolate?
While milk chocolate will give a sweeter and less intense flavor, dark chocolate is preferred for its rich, deep taste that balances the mousse nicely. If you use milk chocolate, consider reducing the sugar slightly to avoid excessive sweetness.
Is it necessary to whip the cream to soft peaks?
Yes, whipping the cream to soft peaks ensures that it is light and fluffy, perfect for folding into the cake layers without becoming too stiff or too runny. It helps keep the mousse airy and smooth.
Can I make this cake gluten-free?
Absolutely! Simply substitute the all-purpose flour with a gluten-free blend of equal quantity. Make sure your cocoa powder is also gluten-free, and you’ll have a delightful treat suitable for gluten-sensitive friends or family.
How long does the cake take to bake?
The cake layers bake for 25 to 30 minutes at 350°F (175°C). Check doneness by gently pressing the center—it should spring back but still feel moist to the touch. Overbaking can dry out the cake, so keeping an eye on it is important.
Can I prepare the cake a day in advance?
Yes, this is actually a great idea! Making your Chocolate Mousse Cake Recipe ahead of time allows the flavors to meld beautifully. Just keep it refrigerated overnight after assembly for an even more delicious dessert the next day.
Final Thoughts
There’s something truly magical about this Chocolate Mousse Cake Recipe, and I can’t wait for you to try it yourself. It’s an incredibly rewarding dessert that combines simplicity with elegance, perfect for celebrations or any time you want to treat yourself and your loved ones. Once you make it, I’m sure it will become a go-to favorite in your recipe collection, just as it has in mine!
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Chocolate Mousse Cake Recipe
- Prep Time: 20 minutes
- Cook Time: 30 minutes
- Total Time: 50 minutes
- Yield: 8 servings
- Category: Dessert
- Method: Baking
- Cuisine: French
Description
This Chocolate Mousse Cake is a decadent and rich dessert featuring layers of moist dark chocolate cake filled and topped with light, fluffy whipped cream. Perfect for special occasions, it combines a smooth chocolate batter with a creamy mousse-like whipped cream for an indulgent experience.
Ingredients
Chocolate Cake
- 8 oz dark chocolate
- 1/2 cup unsalted butter
- 4 large eggs
- 1 cup granulated sugar
- 1/4 cup all-purpose flour
- 1/4 cup unsweetened cocoa powder
- 1 tsp vanilla extract
Mousse Filling
- 1 cup whipped cream
Instructions
- Preheat the Oven and Prepare Pans: 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 enhance chocolate flavor.
- Melt Chocolate and Butter: In a heatproof bowl, melt the dark chocolate and unsalted butter together over a double boiler or in short bursts in the microwave, stirring until smooth and fully combined.
- Mix Eggs and Sugar: In a separate large bowl, whisk the eggs and granulated sugar vigorously until the mixture becomes pale and fluffy, ensuring good aeration for a light texture in the cake.
- Combine Chocolate Mixture: Gently fold the melted chocolate and butter into the egg and sugar mixture, being careful not to deflate the aerated eggs.
- Add Dry Ingredients: Sift together the all-purpose flour and unsweetened cocoa powder to remove lumps, then carefully fold them into the chocolate batter until just combined to maintain a tender crumb.
- Bake the Cakes: Divide the batter evenly between the prepared cake pans. Bake in the preheated oven for 25-30 minutes or until a toothpick inserted into the center comes out with moist crumbs but no raw batter. Remove from oven and cool completely on wire racks.
- Whip the Cream: Whip fresh cream until soft peaks form. This will be used as the mousse-like filling and topping to add lightness and balance the richness of the chocolate cake.
- Assemble the Cake: Once the cakes have cooled, spread a layer of whipped cream on top of one cake layer, then place the second layer over it. Finish by spreading whipped cream on top of the cake for a smooth and creamy finish.
- Serve: Chill the assembled cake if desired before slicing and serving to allow the flavors to meld and the cake to set.
Notes
- Use good-quality dark chocolate for the best flavor.
- Ensure eggs and sugar are whipped well to create a light cake texture.
- Sift dry ingredients to avoid lumps in the batter.
- Whip cream just until soft peaks form to avoid over-beating.
- Chill the cake for an hour before serving to enhance taste and texture.

