Coffee Mousse Cake

Coffee Mousse Cake is a delightful dessert that combines the rich flavors of coffee with the light, airy texture of mousse. This dessert is perfect for coffee lovers who want to enjoy their favorite flavor in a new and exciting way. In this article, we will guide you through an easy coffee mousse cake recipe that is sure to impress your family and friends.


For the Cake Layer:

  • 1 cup of all-purpose flour
  • 1/2 cup of granulated sugar
  • 1/4 cup of unsweetened cocoa powder
  • 1 teaspoon of baking powder
  • 1/2 teaspoon of baking soda
  • 1/4 teaspoon of salt
  • 1/2 cup of buttermilk
  • 1/4 cup of vegetable oil
  • 1 large egg
  • 1 teaspoon of vanilla extract
  • 1/2 cup of hot coffee

For the Coffee Mousse:

  • 1 tablespoon of instant coffee granules
  • 2 tablespoons of hot water
  • 1 cup of heavy cream
  • 1/2 cup of powdered sugar
  • 1 teaspoon of vanilla extract
  • 3 large egg whites
  • 1/4 cup of granulated sugar

For the Coffee Glaze:

  • 1/2 cup of powdered sugar
  • 1 tablespoon of brewed coffee
  • 1/2 teaspoon of vanilla extract


Preparing the Cake Layer

  1. Preheat your oven to 350°F (175°C). Grease and flour a 9-inch round cake pan.
  2. In a large mixing bowl, sift together the flour, granulated sugar, cocoa powder, baking powder, baking soda, and salt.
  3. In another bowl, combine the buttermilk, vegetable oil, egg, and vanilla extract. Mix well until fully combined.
  4. Gradually add the wet ingredients to the dry ingredients, mixing until just combined.
  5. Pour in the hot coffee and mix until the batter is smooth. The batter will be thin, but this is normal.
  6. 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.
  7. Allow the cake to cool in the pan for 10 minutes, then transfer to a wire rack to cool completely.

Making the Coffee Mousse

  1. Dissolve the instant coffee granules in hot water and set aside to cool.
  2. In a large bowl, whip the heavy cream with powdered sugar and vanilla extract until soft peaks form. Slowly add the dissolved coffee and continue whipping until stiff peaks form.
  3. In a separate bowl, beat the egg whites until foamy. Gradually add granulated sugar and beat until stiff peaks form.
  4. Gently fold the whipped egg whites into the coffee-flavored whipped cream until fully incorporated. Be careful not to deflate the mixture.
  5. Cover the mousse with plastic wrap and refrigerate for at least 1 hour to set.

    See Also:
    Easy Classic Coffee Cake Recipe
    Delicious Homemade Pastry Cake Recipe

Assembling the Coffee Mousse Cake

  1. Once the cake has cooled completely, slice it horizontally to create two even layers.
  2. Place one layer of the cake on a serving plate and spread an even layer of coffee mousse over the top.
  3. Place the second layer of the cake on top of the mousse, pressing down gently to ensure it adheres.
  4. Spread the remaining coffee mousse over the top and sides of the cake, smoothing it with a spatula.

Preparing the Coffee Glaze

  1. In a small bowl, whisk together the powdered sugar, brewed coffee, and vanilla extract until smooth.
  2. Drizzle the glaze over the top of the cake, allowing it to drip down the sides for a decorative effect.

Final Touches

  1. Refrigerate the cake for at least 2 hours before serving to allow the mousse to firm up and the flavors to meld.
  2. Garnish with chocolate shavings or coffee beans for an added touch of elegance.

Tips for the Perfect Coffee Mousse Cake

  • Use high-quality coffee: The flavor of the coffee mousse depends greatly on the quality of the coffee used. Opt for a rich, robust coffee for the best taste.
  • Room temperature ingredients: Ensure that all your ingredients are at room temperature before starting. This helps in achieving a smooth batter and even baking.
  • Be gentle with the mousse: When folding the whipped cream and egg whites together, do so gently to maintain the light and airy texture of the mousse.
  • Chill time is crucial: Allowing the cake to chill thoroughly ensures that the mousse sets properly and the flavors develop fully.

Serving Suggestions

Coffee mousse cake is best served chilled. It pairs wonderfully with a hot cup of coffee or a glass of cold milk. This cake is perfect for special occasions, dinner parties, or simply as a delightful treat to enjoy with loved ones.


This easy coffee mousse cake recipe is a must-try for any coffee enthusiast. Its rich flavors and light, airy texture make it an irresistible dessert that is sure to impress. With our step-by-step instructions, creating this delicious cake is straightforward and enjoyable.

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