desserts

Opera Cake (Gâteau Opéra)

Pam 2026
Opera Cake (Gâteau Opéra)

Ingredients

Ingredients

For the Almond Sponge (Joconde):

  • 1 cup (100g) almond flour
  • ¾ cup (95g) powdered sugar
  • ¼ cup (30g) all-purpose flour
  • 3 large eggs
  • 2 large egg whites
  • 1 tablespoon granulated sugar
  • 2 tablespoons unsalted butter, melted

For the Coffee Buttercream:

  • ½ cup (100g) granulated sugar
  • ¼ cup (60ml) water
  • 2 large egg yolks
  • 1 cup (226g) unsalted butter, softened
  • 2 tablespoons strong brewed coffee or espresso

For the Chocolate Ganache:

  • 4 oz (115g) semi-sweet chocolate, chopped
  • ½ cup (120ml) heavy cream

For the Chocolate Glaze:

  • 4 oz (115g) semi-sweet chocolate, chopped
  • ¼ cup (60ml) heavy cream
  • 1 tablespoon corn syrup (optional)

Opera Cake is a classic French dessert that’s as elegant as it is delicious—layers of almond sponge (Joconde), coffee buttercream, chocolate ganache, and a glossy chocolate glaze. With its precise layers and rich flavors, it’s a showstopper for special occasions and a true test of pastry skills.

Instructions

1

Make the Almond Sponge

Preheat oven to 425°F (220°C). Line a 10×15-inch baking sheet with parchment. Whisk almond flour, powdered sugar, and flour. Add whole eggs and whisk until pale. In a separate bowl, whip egg whites with granulated sugar to stiff peaks. Fold into almond mixture. Fold in melted butter. Spread evenly on baking sheet. Bake for 8 to 10 minutes. Cool.

2

Make the Coffee Buttercream

Heat sugar and water to 240°F (115°C). Whisk egg yolks until pale. Slowly pour hot syrup into yolks while whisking. Continue whisking until cool. Beat in softened butter, then coffee.

3

Make the Ganache

Heat cream until simmering. Pour over chopped chocolate. Let sit for 1 minute, then stir until smooth.

4

Assemble the Cake

Cut sponge into 3 equal rectangles. Place one layer on a baking sheet. Spread with half the coffee buttercream. Top with second sponge layer. Spread with ganache. Top with third sponge layer. Spread with remaining buttercream. Refrigerate for 30 minutes.

5

Make the Glaze

Heat cream until simmering. Pour over chocolate and corn syrup. Stir until smooth. Pour over chilled cake, spreading evenly. Refrigerate until set.

6

Serve

Trim edges for clean look. Slice with a warm knife. Serve chilled or at room temperature.

Pro-Tips for Picture-Perfect Opera Cake

  • Chill Between Layers: Essential for clean assembly.
  • Use a Warm Knife: Dipping in hot water gives clean slices.
  • Make Ahead: Opera cake tastes even better the next day.

This Opera Cake is elegant, rich, and a true classic—perfect for special occasions.

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