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Raspberry Mousse Cake Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.4 from 79 reviews
  • Author: Beverly
  • Prep Time: 45 minutes
  • Cook Time: 30 minutes
  • Total Time: 5 hours 15 minutes
  • Yield: 8 servings
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Description

This Raspberry Mousse Cake combines a delicate sponge cake base with a light and airy raspberry mousse topped with fresh raspberries and a hint of basil for a refreshing finish. Perfect for celebrations or a special dessert, it balances tart and sweet flavors with a creamy texture that melts in your mouth.


Ingredients

Scale

For the Sponge Cake Base

  • 3 large eggs (cold or room temperature)
  • 1/2 cup sugar
  • 1/2 cup all-purpose flour

For the Raspberry Mousse

  • 1 1/4 cup fresh or frozen raspberries
  • 1/4 cup sugar
  • 1 Tbsp fresh lemon juice
  • 1/2 Tbsp Knox unflavored gelatin
  • 1 cup heavy whipping cream
  • 1 1/2 Tbsp confectioners’ (powdered) sugar

For the Topping

  • 1 cup heavy whipping cream
  • 1 1/2 Tbsp powdered sugar
  • 1/2 to 1 cup raspberries
  • 10 tiny basil leaves (optional)


Instructions

  1. Prepare the Sponge Cake Base: Preheat your oven to 350°F (175°C). In a mixing bowl, beat the eggs and 1/2 cup sugar until the mixture is light, fluffy, and has tripled in volume. Gently fold in the 1/2 cup all-purpose flour, taking care not to deflate the batter. Pour the batter into a greased or parchment-lined 8-inch round cake pan. Bake for 23 minutes or until a toothpick inserted in the center comes out clean. Allow the cake to cool completely.
  2. Make the Raspberry Puree and Gelatin Mixture: In a small saucepan over low heat, combine the 1 1/4 cups raspberries, 1/4 cup sugar, and 1 tablespoon lemon juice. Cook gently until the raspberries soften and release juices, about 5 minutes. Remove from heat. Sprinkle the gelatin evenly over the warm raspberry mixture and stir until fully dissolved. Let the mixture cool to room temperature but not set.
  3. Prepare the Mousse: In a chilled mixing bowl, whip 1 cup heavy whipping cream with 1 1/2 tablespoons confectioners’ sugar until soft peaks form. Gently fold the cooled raspberry gelatin mixture into the whipped cream until well combined, creating a smooth mousse.
  4. Assemble the Cake: Place the cooled sponge cake on a serving plate or cake stand. Pour the raspberry mousse evenly over the cake, smoothing the top with a spatula. Refrigerate for at least 4 hours or until the mousse is set and firm.
  5. Prepare the Whipped Cream Topping: Whip the remaining 1 cup heavy whipping cream with 1 1/2 tablespoons powdered sugar until stiff peaks form. Spread or pipe the whipped cream over the set raspberry mousse layer.
  6. Garnish and Serve: Decorate the top of the cake with 1/2 to 1 cup fresh raspberries and, if desired, 10 tiny basil leaves for a fresh contrast. Serve chilled and enjoy the light, fruity delight.

Notes

  • Use fresh or frozen raspberries depending on availability; thaw frozen raspberries before use.
  • Gelatin must be fully dissolved and cooled before folding into whipped cream to avoid lumps.
  • For a more intense raspberry flavor, consider adding a tablespoon of raspberry liqueur to the mousse mixture.
  • Ensure heavy cream is well chilled before whipping to achieve optimal volume.
  • Basil leaves add a subtle aromatic note but can be omitted if preferred.