Chocolate Raspberry Mousse Cake with Fudgy Brownie Base

What Is Vegan Gluten Cinnamon Roll Cookies?

Chocolate Raspberry Mousse Cake is a layered showstopper that starts with a fudgy brownie base, stacks three distinct mousse layers on top, and finishes with a glossy chocolate ganache. The three mousse layers are rich chocolate, bright raspberry, and smooth vanilla bean.

Fresh raspberries and chocolate curls finish the top with extra color and crunch. This version follows a tested mousse cake method from SugarHero, but the calm wording here is for home bakers who want the fancy result without the fuss.

When the cake is chilled, the layers are firm enough to slice cleanly. After a short rest at room temperature, the mousse softens into a silky, pillowy texture. The brownie stays chewy and fudgy underneath, while the raspberries add juicy pops of tart fruit.

this …

It is the kind of dessert that makes people ask if you secretly hired a pastry chef.

What makes the mousse approach easier is that you do not need to separate eggs or whip egg whites and yolks on their own. The mousse gets its stability from a small amount of gelatin and gently folded whipped cream. That detail keeps the process approachable.

Why You’ll Love This Recipe

I will admit it: the first time I made this cake, I was nervous about the layers. But once the acetate collar came off and the ganache dripped down the sides, I felt like I had pulled off something seriously impressive. And it was totally unnecessary, totally cute, and absolutely worth the chill time.

Here is why this one deserves a spot on your baking list:

• It has real wow factor. A fudgy brownie base, three mousse layers, and a shiny top are a gorgeous combination for a birthday, holiday, or dinner party.
• The method is easier than it looks. No separating eggs, no whipping egg whites and yolks separately, and no fancy cake decorating skills required.
• You can make it ahead. The cake can be made 2 to 3 days in advance and stored in the refrigerator. Add the ganache and fresh toppings on the day you serve it for the best look.
• The texture is a contrast. Chewy brownie, airy mousse, juicy raspberries, and a thin layer of ganache all come together in one bite.
• It works for many occasions. Valentine’s Day, Mother’s Day, a birthday, or a just because weekend project.

Chill the cake well before slicing. A cold cake gives you clean layers, while a 10 to 15 minute rest at room temperature brings back the silky mousse texture.

Key Ingredients and Components

This cake is built from five separate components. Keep each group measured and ready before you start, because the mousse layering moves quickly after the brownie is baked and cooled.

For the Brownie Layer:

• 3.33 oz all purpose flour, 3/4 cup
• 2 oz unsweetened cocoa powder, 2/3 cup
• 1/2 tsp salt
• 1/2 tsp baking powder
• 4 oz unsalted butter
• 7.75 oz granulated sugar, 1 cup plus 2 tbsp
• 2 large eggs, at room temperature
• 2 tsp vanilla extract

For the Chocolate Mousse:

• 9 oz semi sweet chocolate, finely chopped
• 1 3/4 cups heavy cream, divided
• Pinch of salt
• 2 tsp unflavored powdered gelatin
• 2 TBSP water

For the Raspberry Mousse:

• 1 1/2 cups fresh raspberries
• 9 oz white chocolate, finely chopped
• 1 1/2 cups heavy cream, divided
• Pinch of salt
• 2 tsp unflavored powdered gelatin
• 2 TBSP water
• Pink gel food coloring, optional

For the Vanilla Mousse:

• 9 oz white chocolate, finely chopped
• 1 1/2 cups heavy cream, divided
• 4 TBSP honey
• Pinch of salt
• 2 tsp unflavored powdered gelatin
• 2 TBSP water
• 2 tsp vanilla bean paste, or vanilla extract as a substitute

To Finish:

• 4 oz semi sweet chocolate, finely chopped
• 4 oz heavy cream
• 1 pint fresh raspberries
• Chocolate curls for decoration

Fresh berries are the way to go for the mousse layer and the final decoration. Frozen raspberries work fine only when you are making the seedless puree, not when you are folding whole berries into the mousse or piling them on top.

Preparation Overview

The recipe has three main stages: bake the brownie, build and chill the mousse layers, then finish with ganache. The source lists about 3 hours of prep and 24 minutes of baking, plus at least 4 hours or overnight for the mousse to set well.

Bake the brownie base.

1. Preheat the oven to 350 F. Line a 9 inch cake pan with parchment and spray well with nonstick cooking spray.
2. Whisk together the flour, cocoa powder, salt, and baking powder in a small bowl.
3. Melt the cubed butter in a medium saucepan over medium low heat. Stir in the sugar until combined.
4. Remove the pan from the heat and cool the mixture to lukewarm. Add the eggs one at a time, whisking well after each. It may look grainy at first, then turns shiny and smooth. Whisk in the vanilla, then stir in the dry ingredients with a spatula.
5. Scrape the batter into the prepared pan and bake for 22 to 24 minutes. A toothpick should come out with just a few moist crumbs attached. Cool the brownie layer completely before moving on.

Set up the pan. Use a 9 inch pan with sides at least 3 inches tall and a removable bottom, or use a 9 inch springform pan. Line the inner wall with an acetate cake collar or a strip of foil, parchment, or waxed paper.

The lining should overlap itself and extend at least an inch above the pan because the finished cake is about 4 inches tall. Place a cake cardboard in the bottom and set the cooled brownie on top.

Make the chocolate mousse. Combine the chocolate, 3/4 cup of cream, and salt in a microwave safe bowl. Microwave in 30 second bursts, stirring each time, until smooth. Cool to slightly above room temperature.

Bloom the gelatin in the water, then microwave it for 15 seconds until melted. Whisk the melted gelatin into the chocolate. Whip the remaining 1 cup cream to just before firm peaks, then fold it into the chocolate in two additions. Spread the mousse over the brownie and refrigerate for 25 minutes.

Make the raspberry mousse. Blend 1/2 cup fresh raspberries and strain through a fine mesh strainer to get 1/4 cup seedless puree. Combine the white chocolate, raspberry puree, 1/2 cup heavy cream, and salt in a microwave safe bowl.

Melt, then cool the mixture to about 95 to 100 degrees C. Whisk in the melted gelatin and fold in the whipped cream from the remaining 1 cup cream. Add a little pink gel food coloring if you want a brighter pink.

Stir in the remaining 1 cup of fresh raspberries, pour the mousse over the chocolate layer, and refrigerate for another 25 minutes.

Make the vanilla bean mousse. Combine the white chocolate, 1/2 cup heavy cream, honey, and salt. Melt gently and cool. Whisk in the gelatin, fold in the remaining whipped cream, and stir in the vanilla bean paste. Pour this over the raspberry layer and refrigerate for at least 4 hours or overnight.

Finish and serve. Unmold the cake and remove the lining. Heat the remaining 4 oz cream to a simmer and pour it over the chopped semi sweet chocolate. Whisk until smooth and glossy.

Pour the ganache over the top and nudge it to the edge so it drips down in places. Add the fresh raspberries and chocolate curls. Refrigerate to set the ganache, then cut the cake while it is well chilled.

Use a large sharp knife and wash it between cuts. Let slices sit at room temperature for 10 to 15 minutes before serving.

Store the cake well wrapped in the refrigerator for up to a week.

Expert Tips and Variations

This cake is forgiving, but a few small habits make the layers look and taste their best.

• Stop whipping before stiff peaks. For the mousse, whip the heavy cream until it just reaches the point before firm peaks form. Overwhipped cream can look grainy and make the mousse feel heavy.
• Keep the chocolate warm enough to stay smooth. If the melted chocolate is too cool when you fold in the whipped cream, you may see small solid chocolate bits in the mousse. Bring it to slightly above room temperature before adding the cream.
• Use fresh berries where they show. Frozen raspberries are fine for the seedless puree, but fresh raspberries are best in the mousse layer and for the final decoration.
• Try a strawberry swap. Fresh strawberries can be used in place of raspberries if you want a different berry flavor.
• Make it ahead, but finish it fresh. You can make the cake 2 to 3 days in advance. For the best appearance, add the ganache, fresh raspberries, and chocolate curls on serving day.

Best serving tip: cut the cake while it is cold and firm. The layers will be clean and distinct. After slicing, give the pieces a short rest at room temperature so the mousse goes back to that soft, pillowy texture.

If you want a slightly deeper vanilla flavor, use vanilla bean paste. Vanilla extract works as a substitute when that is what you have in the pantry.

For a lighter looking top, you can skip the full ganache coating and make a simple drip effect around the edges. The fresh raspberries and chocolate curls will still make it look finished.

FAQs

Chocolate Raspberry Mousse Cake

5 Stars 4 Stars 3 Stars 2 Stars 1 Star

No reviews

Print Recipe

Pin Recipe

What Is Vegan Gluten Cinnamon Roll Cookies? Chocolate Raspberry Mousse Cake is a layered showstopper that starts with a fudgy brownie base, stacks three distinct mousse layers on top, and finishes with a glossy chocolate ganache.

• Total Time: 204 min

Ingredients

Scale 1x2x3x

For the Brownie Layer
3.33 oz all-purpose flour
2 oz unsweetened cocoa powder
1/2 tsp salt
1/2 tsp baking powder
4 oz unsalted butter
7.75 oz granulated sugar
2 large eggs, large, at room temperature
2 tsp vanilla extract

For the Chocolate Mousse
9 oz semi-sweet chocolate, finely chopped
1 3/4 cups heavy cream, divided use
Pinch of salt
2 tsp unflavored powdered gelatin
2 TBSP water

For the Raspberry Mousse
1 1/2 cups fresh raspberries
9 oz white chocolate, finely chopped
1 1/2 cups heavy cream, divided use
Pinch of salt
2 tsp unflavored powdered gelatin
2 TBSP water
pink gel food coloring

For the Vanilla Mousse
9 oz white chocolate, finely chopped
1 1/2 cups heavy cream, divided use
4 TBSP honey
Pinch of salt
2 tsp unflavored powdered gelatin
2 TBSP water
2 tsp vanilla bean paste

To Finish
4 oz semi-sweet chocolate, finely chopped
4 oz heavy cream
1 pint fresh raspberries
Chocolate curls

Cook Mode Prevent your screen from going dark

Instructions

To Make the Brownie Layer
1-Preheat the oven to 350 F: Preheat the oven to 350 F. Line a 9-inch cake pan with parchment and spray well with nonstick cooking spray.
2-Whisk together the flour, cocoa powder, salt,: Whisk together the flour, cocoa powder, salt, and baking powder in a small bowl. Set aside for now.
3-Cube the butter and place it in: Cube the butter and place it in a medium saucepan over medium-low heat. Stir occasionally as the butter melts. Add the sugar and stir it into the melted butter until combined.
4-Remove the pan from the heat, and: Remove the pan from the heat, and let it cool to lukewarm. Once it has cooled, add the eggs, one at a time, whisking well between each addition. The mixture will start out grainy, but as you add the eggs, it will become shiny and smooth. Whisk the vanilla in. Finally, add the dry ingredients, and stir them in with a spatula.
5-Scrape the brownie batter into the prepared: Scrape the brownie batter into the prepared pan, and bake it for 22-24 minutes, until a toothpick comes out with just a few moist crumbs attached. Cool the brownie layer completely before proceeding.

To Make the Mousse Layers
6-Prepare your pan: Prepare your pan. You need a 9-inch pan with sides at least 3 inches tall, and the ability to remove the bottom. Either a cake pan with a removeable bottom or a 9″ springform will work. Line the inner wall with an acetate cake collar or strip of aluminum foil, parchment paper, or waxed paper. Make sure the acetate collar or other lining is long enough so that it overlaps itself. Also, if you are using foil/parchment/waxed paper, make sure you cut the strip tall enough to extend at least an inch over the pan’s sides, since the cake is about 4 inches tall.
7-Place a cake cardboard in the bottom: Place a cake cardboard in the bottom of the pan, then carefully place the baked brownie on top of the cardboard.
8-Prepare the chocolate mousse layer: Prepare the chocolate mousse layer: combine the chocolate, 3/4 cup of cream, and salt in a microwave-safe bowl. Microwave in 30-second increments, stirring every 30 seconds, until the chocolate has melted and the mixture is smooth. Pour it into a large bowl, and let it cool to slightly above room temperature, stirring occasionally.
9-While you wait for the chocolate mixture: While you wait for the chocolate mixture to cool, prepare the gelatin. Whisk together the gelatin and the cold water in a small bowl, and set it aside to let the gelatin absorb the water. When the chocolate is sufficiently cooled, microwave the bowl of gelatin for 15 seconds, until it is melted. Then whisk the melted gelatin and chocolate together.
10-Whip the remaining 1 cup heavy whipping: Whip the remaining 1 cup heavy whipping cream to just before firm peaks form (see FAQ for more tips). Fold half of the whipped cream into the warm chocolate. Once it’s incorporated, gently fold in the remaining whipped cream. Scrape the mousse on top of the brownie, and spread it into an even layer. Refrigerate the cake for 25 minutes, until the mouse has started to set and is firm enough that a second layer can be added.
11-Prepare the raspberry mousse layer: Prepare the raspberry mousse layer: make a quick puree by blending 1/2 cup fresh raspberries in a blender or food processor. Pour them through a fine mesh strainer to remove the seeds, and measure out 1/4 cup raspberry puree. Extra puree can be saved and used for other purposes.
12-Combine the white chocolate, raspberry puree, 1/2: Combine the white chocolate, raspberry puree, 1/2 cup heavy whipping cream, and salt in a microwave-safe bowl. Continue to make the raspberry layer the same way you made the chocolate layer, by melting and cooling the chocolate mixture to about 95-100 degrees C, whisking in melted gelatin, and folding in whipped cream. Add a few drops of pink food coloring to boost the pink color, if desired. At the very end, stir in the remaining 1 cup of fresh raspberries and pour the mousse over the chocolate mousse layer. Spread it into an even layer, and refrigerate again for about 25 minutes.
13-Prepare the vanilla bean layer: Prepare the vanilla bean layer: combine the white chocolate, 1/2 cup heavy whipping cream, honey, and salt in a microwave-safe bowl. Continue to make this layer the same way you made the previous two layers by allowing the chocolate mixture to cool, whisking in the gelatin, and folding in the whipped cream. After completing those steps, stir in the vanilla bean paste and pour the vanilla mousse over the raspberry mousse layer. Refrigerate to set the mousse layers very well, at least 4 hours or overnight.

To Finish
14-Push the bottom out from the pan,: Push the bottom out from the pan, or unhinge the sides, and unwrap the acetate strip. Transfer the cake to your serving platter.
15-Make a quick chocolate ganache by putting: Make a quick chocolate ganache by putting the chopped chocolate in a small bowl and heating the cream to a simmer. Pour the hot cream over the chopped chocolate and whisk gently until the chocolate melts and you have a smooth, shiny mixture.
16-Pour the ganache over the top of: Pour the ganache over the top of the cake, and use a spatula to nudge it right to the edge and over in evenly spaced drizzles. Don’t worry if the top is not smooth-it will be covered up! Add the fresh raspberries and chocolate curls on top of the cake. Refrigerate to set the ganache.
17-For the cleanest slices, cut the cake: For the cleanest slices, cut the cake when it is well chilled. Use a large sharp knife, and wash it frequently between cuts. For the best taste and texture, allow the cake slices to sit at room temperature for 10-15 minutes before serving.
18-Store Chocolate Raspberry Mousse Cake, well-wrapped, in: Store Chocolate Raspberry Mousse Cake, well-wrapped, in the refrigerator for up to a week.

Last Step:

Please leave a rating and comment letting us know how you liked this recipe! This helps our business to thrive and continue providing free, high-quality recipes for you.

• Prep Time: 180 min
• Cook Time: 24 min
• Method: bake

Nutrition

• Calories: 604
• Sugar: 38
• Sodium: 115
• Fat: 43
• Saturated Fat: 26
• Carbohydrates: 50
• Fiber: 4
• Protein: 5
• Cholesterol: 120