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Delicious Mocha Chocolate Mousse Cake topped with chocolate shavings

Mocha Chocolate Mousse Cake

This Mocha Chocolate Mousse Cake blends coffee and chocolate into a light and creamy dessert, perfect for casual dinners or small celebrations.
Prep Time 30 minutes
Cook Time 25 minutes
Total Time 4 hours 30 minutes
Course Dessert
Cuisine American
Servings 12 servings
Calories 420 kcal

Ingredients
  

For the cake

  • 3/4 cup all-purpose flour
  • 1/2 cup unsweetened cocoa powder
  • 1 tsp baking powder
  • 1/2 tsp baking soda
  • 1/4 tsp salt
  • 2 large eggs
  • 1/2 cup granulated sugar
  • 1/3 cup vegetable oil
  • 1/2 cup buttermilk or milk
  • 1 tsp vanilla extract
  • 1/2 cup hot strong brewed coffee

For the mousse

  • 1 cup heavy whipping cream (cold)
  • 1/2 tsp espresso powder
  • 6 oz semi-sweet or dark chocolate, chopped
  • 1/4 cup granulated sugar (for mousse)
  • 3 large egg yolks
  • 2 tbsp water
  • 1/2 tsp vanilla extract

Optional toppings

  • Chocolate curls or shavings
  • Cocoa powder
  • Whipped cream rosettes
  • Coffee beans

Instructions
 

Preparation

  • Preheat the oven to 350°F (175°C). Grease and line a 9-inch springform pan.
  • Sift together flour, cocoa powder, baking powder, baking soda, and salt.
  • In another bowl, whisk eggs, sugar, oil, milk, and vanilla until smooth.
  • Add the dry ingredients and mix until combined.
  • Stir in the hot coffee; the batter will be thin.
  • Pour the batter into the prepared pan.
  • Bake for 20–25 minutes or until a toothpick comes out mostly clean.
  • Cool completely in the pan.

For the mousse

  • In a heatproof bowl set over simmering water, whisk egg yolks, 1/4 cup sugar, water, and espresso powder for 5–6 minutes until slightly thickened and warm.
  • Remove from heat and stir in the chopped chocolate until melted and smooth.
  • Let cool to room temperature.
  • Whip the cold heavy cream to stiff peaks.
  • Fold the whipped cream gently into the cooled chocolate mixture until well blended and light.
  • Pour the mousse over the cooled cake layer in the springform pan.
  • Smooth the top, cover, and chill for at least 4 hours or overnight to set.

Serving

  • Remove the sides of the springform pan, garnish with chocolate shavings, cocoa, or whipped rosettes, and serve.

Notes

Store the cake covered in the refrigerator for up to 3 days or freeze for up to 1 month. For best results, use strong brewed coffee, and chill the cake well before slicing.
Keyword Celebration Cake, Chocolate Mousse, Dessert Recipe, Easy Cake, Mocha Cake