Dark Chocolate Raspberry Mousse Cake Recipe
If you are searching for a dessert that captures the perfect harmony of bittersweet chocolate and fresh, tangy fruit, then look no further than the Dark Chocolate Raspberry Mousse Cake. This luscious cake features moist layers of rich chocolate cake paired with a velvety raspberry mousse that brings brightness and lightness to every bite. Topped with a glossy dark chocolate ganache, this dessert effortlessly combines elegance and indulgence, making it a guaranteed crowd-pleaser for any occasion. Once you try the Dark Chocolate Raspberry Mousse Cake, it will quickly become one of your all-time favorites to bake and share.

Ingredients You’ll Need
Creating the Dark Chocolate Raspberry Mousse Cake is wonderfully straightforward with simple ingredients that each play a crucial role in building its complex flavors and delightful texture. From the cocoa powder that imbues the cake with deep chocolate richness, to the fresh raspberries that add a burst of natural sweetness, every component contributes to this dessert’s irresistible charm.
- All-purpose flour: Provides the essential structure that holds the cake together perfectly.
- Unsweetened cocoa powder: Adds a rich, intense chocolate flavor that defines the cake’s base.
- Baking powder: Ensures the cake rises beautifully and stays light.
- Baking soda: Works alongside the baking powder for optimal leavening effect.
- Salt: Enhances the overall flavor so the sweetness and chocolate notes shine.
- Unsalted butter: Softened butter delivers a tender crumb and subtle richness.
- Granulated sugar: Sweetens the cake and mousse just right without overpowering.
- Eggs: Provide moisture and structure critical for a perfectly textured cake.
- Vanilla extract: Adds warmth and depth to both cake and mousse layers.
- Buttermilk: Contributes to a moist, tender crumb while adding a slight tanginess.
- Fresh raspberries: Bring a fresh, fruity brightness essential for the mousse and garnishing.
- Heavy cream: Whipped for the mousse and melted into ganache to create a luxuriously smooth finish.
- Dark chocolate: Used in both the mousse and ganache to provide silky, bittersweet richness.
How to Make Dark Chocolate Raspberry Mousse Cake
Step 1: Prepare and Bake the Chocolate Cake
Start by preheating your oven to 350°F (175°C) and getting an 8-inch cake pan ready with a light greasing and dusting of flour. Mixing the dry ingredients—flour, cocoa powder, baking powder, baking soda, and salt—ensures even distribution of leavening agents. Creaming the softened butter and sugar until fluffy creates a light base, then adding eggs and vanilla brings moisture and flavor. Incorporating the dry ingredients alternated with buttermilk guarantees a tender, moist crumb that forms the perfect foundation for the mousse.
Step 2: Make the Raspberry Mousse
While the cake bakes and cools, the raspberry mousse gets started by blending fresh raspberries with sugar to create a smooth puree, then straining it to remove seeds for a silky texture. Whipping heavy cream with vanilla until soft peaks form creates the airy body of the mousse. Folding in melted dark chocolate and the raspberry puree forms a rich yet light mousse that perfectly balances chocolate and fruit.
Step 3: Assemble the Dark Chocolate Raspberry Mousse Cake
Once your cake is fully cooled, slice it horizontally to form two even layers. Spread half of the raspberry mousse on the bottom layer, then gently place the top cake layer and cover it with the remaining mousse. This layered approach ensures every bite combines moist cake with creamy, fruity mousse, delivering spectacular flavor contrasts.
Step 4: Add the Finishing Chocolate Ganache
Finish off this masterpiece by preparing a silky ganache. Gently heat heavy cream until just boiling, then pour it over chopped dark chocolate. After a brief rest, stir the mixture until completely smooth and glossy. Drizzling this ganache over the chilled cake adds a shiny, decadent coating that’s both stunning and delicious.
How to Serve Dark Chocolate Raspberry Mousse Cake

Garnishes
Fresh raspberries scattered across the top not only complement the flavors but also add vibrant pops of color. A dusting of cocoa powder or a few mint leaves can elevate the presentation even further, giving you a dessert that looks as exquisite as it tastes.
Side Dishes
Pairing this cake with a scoop of vanilla bean ice cream or a dollop of freshly whipped cream can add a refreshing contrast. For a lighter option, fresh fruit salad or a citrus sorbet highlights the fruitiness in the mousse while cleansing the palate.
Creative Ways to Present
Serving the Dark Chocolate Raspberry Mousse Cake in elegant slices on delicate china or clear glass plates enhances its visual appeal. You can also create individual mousse cake cups using layers of chocolate cake, mousse, and ganache for a charming, personalized touch at gatherings.
Make Ahead and Storage
Storing Leftovers
Keep any uneaten Dark Chocolate Raspberry Mousse Cake covered tightly and refrigerated. Stored this way, it remains moist and flavorful for up to 3 days, making it easy to enjoy over a few indulgent moments without worry.
Freezing
If you’d like to prepare the cake well in advance, you can freeze it, but it’s best to freeze the cake layers and mousse separately. Wrap them tightly in plastic wrap and foil to prevent freezer burn. When ready to enjoy, thaw overnight in the refrigerator before assembly and ganache application.
Reheating
This cake is best enjoyed chilled, so reheating isn’t recommended. Simply allow refrigerated cake to sit at room temperature for 10-15 minutes before serving to bring out the full richness of flavors and soften the mousse slightly.
FAQs
Can I use frozen raspberries for the mousse?
Yes, frozen raspberries can be used, but be sure to thaw and drain any excess liquid before pureeing to avoid a runny mousse. Fresh raspberries are ideal for the brightest flavor and texture.
Is this cake gluten-free?
Unfortunately, the traditional recipe uses all-purpose flour, which contains gluten. However, you can experiment with gluten-free flour blends that measure cup-for-cup to make a gluten-free version.
Can I substitute the dark chocolate with milk chocolate?
You can, but keep in mind the dark chocolate provides a rich, bittersweet contrast that balances the raspberry tartness. Milk chocolate will make the cake sweeter and less intense.
How long does the mousse need to chill before assembling?
Refrigerating the mousse for about 30 minutes helps it set to the perfect consistency for spreading and layering, but avoid chilling too long or it may become too firm to spread easily.
What causes the ganache to seize or become grainy?
Ganache seizes if the chocolate gets too hot or if water comes into contact with the chocolate. Make sure your cream is hot but not boiling vigorously and keep utensils dry for a smooth finish.
Final Thoughts
Making the Dark Chocolate Raspberry Mousse Cake is such a rewarding experience because it combines simple ingredients into a show-stopping dessert bursting with flavor and texture. Whether you bake it for a special celebration or just to treat yourself, this cake never fails to impress. I hope you dive into this recipe with the same excitement I have every time I create it, and enjoy every luscious bite as much as I do!
PrintDark Chocolate Raspberry Mousse Cake Recipe
Delight in this decadent Dark Chocolate Raspberry Mousse Cake, featuring moist chocolate layers enveloped by a luscious raspberry mousse and finished with a silky dark chocolate ganache. Perfect for special occasions or a luxurious dessert treat.
- Prep Time: 30 minutes
- Cook Time: 30 minutes
- Total Time: 2 hours
- Yield: 8 servings 1x
- Category: Dessert
- Method: Baking, whipping, chilling
- Cuisine: American
- Diet: Vegetarian
Ingredients
Cake Ingredients
- 1 cup All-purpose flour
- 1/2 cup Unsweetened cocoa powder
- 1 teaspoon Baking powder
- 1/2 teaspoon Baking soda
- 1/4 teaspoon Salt
- 1/2 cup Unsalted butter (softened)
- 1 cup Granulated sugar
- 2 large Eggs
- 1 teaspoon Vanilla extract
- 1/2 cup Buttermilk
Raspberry Mousse Ingredients
- 1 cup Fresh raspberries
- 1/4 cup Granulated sugar
- 1 cup Heavy cream
- 1 teaspoon Vanilla extract
- 4 ounces Dark chocolate (melted and cooled)
Ganache Ingredients
- 4 ounces Dark chocolate (chopped)
- 1/2 cup Heavy cream
- Extra fresh raspberries for garnish
Instructions
- Preheat and prepare pan: Preheat your oven to 350°F (175°C). Grease and flour an 8-inch round cake pan to prevent sticking.
- Mix dry ingredients: In a bowl, whisk together the all-purpose flour, unsweetened cocoa powder, baking powder, baking soda, and salt to evenly distribute the leavening agents and cocoa.
- Cream butter and sugar: In a large mixing bowl, beat the softened unsalted butter and granulated sugar together until light and fluffy, typically 3-5 minutes, which helps incorporate air for a lighter cake texture.
- Add eggs and vanilla: Add the eggs one at a time, mixing well after each addition to ensure thorough incorporation. Stir in the vanilla extract to enhance flavor.
- Combine wet and dry ingredients: Gradually add the dry ingredient mixture to the butter mixture, alternating with the buttermilk. Mix until just combined to avoid overworking the batter which can toughen the cake.
- Bake the cake: Pour the batter into the prepared pan and smooth the top. Bake for 25-30 minutes or until a toothpick inserted into the center comes out clean, indicating doneness.
- Cool the cake: Allow the cake to cool in the pan for about 10 minutes before transferring it to a wire rack to cool completely, which ensures the mousse layers won’t melt.
- Prepare raspberry puree: Puree fresh raspberries with sugar in a blender, then strain through a fine mesh sieve to remove seeds and create a smooth raspberry base for the mousse.
- Make the mousse: Whip the heavy cream with vanilla extract until soft peaks form. Gently fold in the melted and cooled dark chocolate followed by the raspberry puree, combining carefully to maintain the airiness.
- Set the mousse: Refrigerate the raspberry mousse for about 30 minutes to allow it to thicken and set slightly for easier spreading.
- Slice the cake: Once cooled, slice the cake horizontally to create two even layers, preparing for mousse layering.
- Assemble the cake: Place one cake layer on a serving plate, spread half of the raspberry mousse evenly on top, add the second layer, and cover with the remaining mousse.
- Chill the assembled cake: Refrigerate the mousse-covered cake for at least 1 hour to fully set and meld the flavors.
- Prepare the ganache: Heat heavy cream until just boiling, pour it over chopped dark chocolate, and let it sit for a few minutes before stirring until smooth and glossy.
- Finish the cake: Drizzle the dark chocolate ganache evenly over the chilled cake and garnish with extra fresh raspberries before serving.
Notes
- Use high-quality dark chocolate for the mousse and ganache to enhance the rich chocolate flavor.
- Make sure the cake is completely cool before slicing and assembling to prevent the mousse from melting.
- If raspberries are out of season, frozen raspberries can be used but thaw and strain them well to remove extra moisture.
- For a firmer mousse, you can whisk some gelatin into the raspberry puree before folding it into the whipped cream and chocolate.
- Ganache can be poured warm or cooled slightly for a thicker coating depending on your preference.
Nutrition
- Serving Size: 1 slice (1/8th of cake)
- Calories: 420 kcal
- Sugar: 35 g
- Sodium: 150 mg
- Fat: 28 g
- Saturated Fat: 16 g
- Unsaturated Fat: 10 g
- Trans Fat: 0.2 g
- Carbohydrates: 37 g
- Fiber: 4 g
- Protein: 5 g
- Cholesterol: 90 mg
Keywords: dark chocolate cake, raspberry mousse cake, chocolate mousse, raspberry dessert, chocolate ganache cake