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Coffee Mousse Cake

A luscious dessert that combines rich chocolate and coffee flavors in a velvety mousse atop a crispy chocolate cookie crust.
Prep Time30 minutes
Total Time4 hours
Course: Dessert
Cuisine: American
Keyword: Celebration Cake, Chocolate Cake, Coffee Mousse Cake, Dessert Recipe, Indulgent Dessert
Servings: 12 servings
Calories: 250kcal

Ingredients

For the Mousse

  • 1 cup heavy cream This adds a rich creaminess to the mousse.
  • 1/2 cup powdered sugar Sweetens the mousse beautifully.
  • 1 teaspoon vanilla extract Infuses the mousse with warmth and aroma.
  • 1 tablespoon instant coffee powder Provides a robust coffee flavor.
  • 1 tablespoon hot water Helps dissolve the coffee powder.
  • 1 cup dark chocolate, chopped Ensures a deep chocolate flavor.
  • 1/2 cup milk chocolate, chopped Adds sweetness to balance the bitterness.
  • 1 tablespoon unsalted butter Gives gloss and smoothness to the chocolate mixture.

For the Crust

  • 1 1/2 cups chocolate cookie crumbs Forms the base offering crispy contrast.
  • 1/4 cup unsalted butter, melted Binds the cookie crumbs together.

Instructions

Preparation

  • Dissolve the instant coffee powder in hot water in a small bowl. Set aside to cool.
  • In a mixing bowl, whip the heavy cream with powdered sugar and vanilla extract until stiff peaks form. Refrigerate.
  • Melt dark chocolate, milk chocolate, and unsalted butter in a microwave-safe bowl until smooth, then let it cool slightly.
  • Mix chocolate cookie crumbs with melted butter, and press it into the bottom of a 9-inch springform pan.

Combine and Serve

  • Fold the cooled coffee mixture into the whipped cream carefully to maintain the volume.
  • Fold in the melted chocolate mixture until fully blended.
  • Pour the mousse over the prepared crust and smooth out the top.
  • Chill in the refrigerator for at least 4 hours or overnight.
  • Before serving, garnish with chocolate shavings or cocoa powder.

Notes

For added coffee flavor, substitute instant coffee with espresso powder. Ensure melted chocolate isn't too hot when folding into whipped cream, and add sugar to crumbs for crunchier crust.