Raspberry Chocolate Mousse Cake (Print View)
Decadent layered chocolate mousse and raspberry cake with glossy ganache finish, perfect for celebrations.
# What You Need:
→ Chocolate Cake Base
01 - 1 cup all-purpose flour
02 - 1/3 cup unsweetened cocoa powder
03 - 1 teaspoon baking powder
04 - 1/4 teaspoon salt
05 - 1/2 cup granulated sugar
06 - 2 large eggs
07 - 1/4 cup vegetable oil
08 - 1/2 cup whole milk
09 - 1 teaspoon vanilla extract
→ Chocolate Mousse
10 - 7 ounces dark chocolate (60–70% cocoa), chopped
11 - 3 large eggs, separated
12 - 1 pinch salt
13 - 3 tablespoons granulated sugar
14 - 1 cup heavy cream, cold
→ Raspberry Layer
15 - 9 ounces fresh raspberries
16 - 3 tablespoons granulated sugar
17 - 1 tablespoon lemon juice
18 - 1 envelope powdered gelatin (about 1 1/2 teaspoons)
19 - 2 tablespoons cold water
→ Ganache and Garnish
20 - 3.5 ounces dark chocolate, chopped
21 - 1/3 cup heavy cream
22 - Fresh raspberries and chocolate shavings for garnish
# How to Make It:
01 - Preheat oven to 350°F. Grease a 9-inch springform pan and line the base with parchment paper.
02 - Sift flour, cocoa powder, baking powder, and salt into a bowl. In a separate bowl, whisk sugar, eggs, oil, milk, and vanilla until smooth. Gradually fold in the dry ingredients, mixing until just combined. Pour the batter into the prepared pan and bake for 20 to 25 minutes until set. Cool completely in the pan.
03 - Soften gelatin in cold water for 5 minutes. Combine raspberries, sugar, and lemon juice in a saucepan over medium heat. Mash the berries and simmer for 5 to 8 minutes. Remove from heat and stir in the softened gelatin until fully dissolved. Cool to room temperature.
04 - Melt chocolate over a double boiler or in the microwave until smooth, then cool slightly. Beat egg whites with salt to soft peaks, gradually add sugar, and beat to stiff peaks. In a separate bowl, whip the cold cream to soft peaks. Stir egg yolks into the cooled chocolate, fold in the whipped cream, then gently fold in the egg whites.
05 - Spread the raspberry layer evenly over the cooled cake in the springform pan. Chill for 15 minutes until slightly set. Gently spread the chocolate mousse over the raspberry layer and smooth the top. Refrigerate at least 2 hours or overnight until fully set.
06 - Heat cream just until steaming and pour over the chopped chocolate. Let sit for 2 minutes, then stir until glossy and smooth. Cool slightly, then pour over the chilled mousse cake. Refrigerate for 30 minutes.
07 - Decorate with fresh raspberries and chocolate shavings. Carefully remove the springform ring and slice with a hot knife for clean portions.
# Expert Tips:
01 -
- The contrast between silky dark chocolate mousse and tangy raspberry is the kind of flavor pairing that makes people close their eyes when they take a bite.
- It looks like it came from a bakery window, but the steps are surprisingly manageable if you take them one at a time.
02 -
- The mousse is delicate, so fold the egg whites in gently with a large spatula using slow sweeping motions, because aggressive stirring will deflate everything and leave you with a dense layer instead of an airy one.
- Do not skip the fifteen minute chill after the raspberry layer, as that partial set is what keeps the mousse from sinking into the berries and muddying the distinct layers.
03 -
- Taste your raspberries before making the layer, because if they are very sweet you may want to reduce the sugar slightly, and if they are quite tart, bump it up by a tablespoon.
- Let the ganache cool for about ten minutes before pouring, as pouring it while too hot will melt the mousse layer and ruin those clean edges you worked so hard for.