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Dark Chocolate Mousse Torte with Ganache Mirror

dark chocolate mousse torte with ganache mirror - featured image

A rich yet airy dark chocolate mousse torte featuring a tender chocolate crust and a glossy ganache mirror, perfect for special occasions or elegant desserts.

Ingredients

Scale
  • 1 ½ cups (150g) chocolate wafer cookies, crushed
  • 6 tablespoons (85g) unsalted butter, melted
  • 2 tablespoons (25g) granulated sugar (for crust)
  • 8 ounces (225g) dark chocolate (70% cocoa recommended), chopped
  • 2 cups (480ml) heavy cream (for mousse), cold
  • 4 large egg yolks
  • ½ cup (100g) granulated sugar (for mousse)
  • 1 teaspoon vanilla extract
  • Pinch of salt
  • ¾ cup (180ml) heavy cream (for ganache)
  • 6 ounces (170g) dark chocolate, finely chopped (for ganache)
  • 2 tablespoons (30ml) light corn syrup

Instructions

  1. Make the Chocolate Crust (10 minutes + chilling): Crush the chocolate wafer cookies finely using a food processor or by placing them in a zip-top bag and smashing with a rolling pin. In a bowl, mix the crumbs, melted butter, and sugar until evenly combined. Press the mixture firmly into the bottom of a 9-inch springform pan. Use the bottom of a glass to compact it tightly. Refrigerate while you prepare the mousse, at least 20 minutes.
  2. Prepare the Dark Chocolate Mousse (30 minutes): Chop the dark chocolate finely and melt it gently in a heatproof bowl over simmering water or in short bursts in the microwave. Let it cool slightly but not harden. In a separate bowl, whisk the egg yolks and sugar together until pale and slightly thickened (about 2-3 minutes). Fold the cooled melted chocolate into the yolk mixture. Whip the heavy cream in a chilled bowl to soft peaks (when the cream holds a peak but still moves softly). Gently fol…
  3. Make the Ganache Mirror (10 minutes + cooling): Heat the heavy cream and corn syrup in a small saucepan until just simmering (don’t boil). Pour over the chopped dark chocolate in a bowl. Let sit for 1-2 minutes, then gently stir until smooth and glossy. Let the ganache cool to about room temperature but still pourable—this usually takes 15-20 minutes. It should coat the back of a spoon. Pour the ganache evenly over the set mousse layer, tilting the pan slightly to cover edges. Refrigerate anothe…
  4. Serve and Enjoy!: Release the springform pan sides carefully. Use a hot knife dipped in warm water to cut clean slices. Serve chilled or slightly softened at room temperature for best flavor.

Notes

[‘Do not rush the mousse chilling; overnight is best for firm texture.’, ‘Temper melted chocolate by letting it cool slightly before mixing with egg yolks to avoid scrambling.’, ‘Whip cream to soft peaks for best mousse texture; avoid overwhipping.’, ‘Use light corn syrup in ganache for a glossy mirror finish.’, ‘Warm knife before slicing to get clean edges; wipe and reheat between cuts.’, ‘If ganache is too thick to pour, warm gently over double boiler and stir until pourable.’, ‘Substitute crust with gluten-free cookie base or toasted hazelnuts for variation.’, ‘Add 1 teaspoon espresso powder to mousse for mocha flavor.’, ‘Vegan version possible using coconut cream and vegan chocolate.’]

Nutrition

Keywords: dark chocolate mousse torte, ganache mirror, chocolate dessert, mousse cake, elegant dessert, make-ahead dessert, chocolate torte