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Creamy Double Chocolate Mousse Cake

Ingredients

Scale

For the Chocolate Cake Base:

  • 1 cup all-purpose flour
  • 1/2 cup 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 milk
  • 1/2 cup hot water or coffee (enhances the chocolate flavor)

For the Chocolate Mousse Layer:

  • 8 oz dark chocolate, chopped
  • 1 1/2 cups heavy whipping cream
  • 1 tablespoon powdered sugar
  • 1 teaspoon vanilla extract
  • 2 egg yolks (optional for richness)
  • 1/4 cup milk (for melting chocolate)

For Garnishing (optional):

  • Shaved chocolate
  • Fresh berries
  • Whipped cream

Instructions

  • Prepare the Chocolate Cake Base:
    • Preheat the oven to 350°F (175°C) and grease a 9-inch round cake pan.
    • In a medium bowl, whisk together the flour, cocoa powder, baking powder, baking soda, and salt.
    • In a large bowl, beat the butter and sugar until light and fluffy. Add the eggs one at a time, mixing well after each addition. Stir in the vanilla extract.
    • Gradually add the dry ingredients to the butter mixture, alternating with milk, until fully combined. Mix in the hot water or coffee until the batter is smooth.
    • Pour the batter into the prepared cake pan and bake for 25-30 minutes, or until a toothpick inserted into the center comes out clean. Let the cake cool completely.
  • Make the Chocolate Mousse:
    • In a heatproof bowl, melt the chopped dark chocolate with 1/4 cup of milk over a double boiler or in the microwave, stirring until smooth. Set aside to cool slightly.
    • In a large mixing bowl, beat the heavy cream, powdered sugar, and vanilla extract until soft peaks form. Gently fold in the melted chocolate and egg yolks (if using) until the mixture is smooth and combined. Be careful not to overmix to keep the mousse light and airy.
  • Assemble the Cake:
    • Once the cake base is completely cool, spread the chocolate mousse evenly over the top.
    • Refrigerate the assembled cake for at least 2 hours to allow the mousse to set.
  • Garnish and Serve:
    • Before serving, top the cake with shaved chocolate, fresh berries, or whipped cream for extra flair.
    • Slice and enjoy this rich and creamy chocolate treat!

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