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Dark Chocolate Raspberry Mousse Cake – Decadent & Show-Stopping

Indulge in layers of rich dark chocolate cake and light, airy raspberry mousse with this Dark Chocolate Raspberry Mousse Cake. Perfect for special occasions or any time you want a dessert that’s as beautiful as it is delicious, this cake combines intense chocolate flavor with fruity, refreshing raspberry for the ultimate treat.

Every slice is a luscious balance of creamy mousse, tender cake, and fresh raspberry goodness.

❤️ Why You’ll Love This Cake

  • Luxurious dark chocolate flavor
  • Light, airy raspberry mousse layer
  • Stunning layered presentation
  • Perfect for birthdays, holidays, or romantic desserts
  • Make-ahead friendly

🧾 Ingredients (Serves 8–10)

For the Chocolate Cake:

  • 1¾ cups all-purpose flour
  • ¾ cup unsweetened cocoa powder
  • 1½ tsp baking powder
  • ½ tsp baking soda
  • ¼ tsp salt
  • ½ cup unsalted butter, softened
  • 1½ cups sugar
  • 3 large eggs
  • 1 tsp vanilla extract
  • 1 cup buttermilk

For the Raspberry Mousse:

  • 1½ cups fresh or frozen raspberries
  • ¼ cup sugar
  • 1 tsp lemon juice
  • 1 tbsp water
  • 1 tsp gelatin powder
  • 1½ cups heavy cream

For Garnish (Optional):

  • Fresh raspberries
  • Chocolate shavings

👩‍🍳 Instructions

Step 1: Bake Chocolate Cake

  1. Preheat oven to 350°F (175°C). Grease and line two 8-inch cake pans.
  2. In a bowl, whisk flour, cocoa powder, baking powder, baking soda, and salt.
  3. In another bowl, cream butter and sugar until fluffy.
  4. Add eggs one at a time, then vanilla extract.
  5. Alternate adding dry ingredients and buttermilk until smooth.
  6. Divide batter into pans and bake 25–30 minutes. Cool completely.

Step 2: Prepare Raspberry Mousse

  1. Blend raspberries with sugar, lemon juice, and water. Strain to remove seeds.
  2. Bloom gelatin in 1–2 tsp water, then melt gently. Stir into raspberry puree.
  3. Whip heavy cream to stiff peaks and fold gently into raspberry mixture. Chill until slightly set.

Step 3: Assemble the Cake

  1. Place one chocolate cake layer on serving plate.
  2. Spread raspberry mousse evenly over cake layer.
  3. Top with second chocolate cake layer.
  4. Chill for at least 2 hours or until mousse is fully set.

Step 4: Garnish & Serve

Decorate with fresh raspberries and chocolate shavings. Slice and serve chilled.

⭐ Tips for Perfect Mousse Cake

  • Use high-quality dark chocolate for richer flavor
  • Chill cake layers before adding mousse for stability
  • Gently fold whipped cream into raspberry mixture for airy texture
  • Make ahead: cake can be assembled a day in advance

🧊 Storage

Store covered in the fridge up to 3 days. Bring to room temperature 10–15 minutes before serving.

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