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Opera Cake A Classic French Dessert

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  • Author: Asma
  • Prep Time: 30 minutes
  • chill time: 3 hours
  • Cook Time: 10 minutes
  • Total Time: 3 hours 40 minutes
  • Yield: 8-10 servings 1x
  • Category: Desserts
  • Method: Baking, Layering
  • Cuisine: French
  • Diet: Vegetarian

Description

This Opera Cake is a luxurious, multi-layered French dessert featuring almond sponge (Joconde), rich coffee buttercream, silky chocolate ganache, and a glossy chocolate glaze. Each bite delivers a harmonious blend of coffee, chocolate, and almond flavors. Perfect for special occasions, this elegant cake is sure to impress with its sophisticated appearance and indulgent taste!


Ingredients

Units Scale

For the Joconde (Almond Sponge Cake):

  • 5 eggs, room temperature
  • 5 oz (140g) ground almonds (almond flour)
  • 5 oz (140g) powdered sugar
  • 1/4 cup (30g) all-purpose flour
  • 2 tbsp (30g) melted butter

For the Coffee Ganache:

  • 8 oz (225g) dark chocolate, chopped
  • 1/2 cup (120ml) heavy cream
  • 1 tbsp coffee liqueur (optional)

For the Coffee Buttercream:

  • 1 cup (225g) unsalted butter, softened
  • 2 cups (240g) powdered sugar
  • 1/4 cup (60ml) brewed coffee, cooled

Additional Components:

  • Coffee syrup or brewed coffee (for soaking layers)
  • Chocolate glaze (for decoration)

Instructions

Step 1: Prepare the Joconde (Almond Sponge Cake)

  1. Preheat the oven to 425°F (220°C). Line a baking sheet with parchment paper.
  2. In a large bowl, beat the eggs and powdered sugar until the mixture is light and pale.
  3. Gently fold in the almond flour and all-purpose flour until combined.
  4. Stir in the melted butter until fully incorporated.
  5. Spread the batter evenly on the prepared baking sheet and bake for 8-10 minutes, until lightly golden.
  6. Allow the sponge to cool completely, then cut into even rectangular layers.

Step 2: Make the Coffee Ganache

  1. Heat the heavy cream in a saucepan until it reaches a gentle boil.
  2. Pour the hot cream over the chopped dark chocolate in a bowl. Let it sit for 2-3 minutes to melt.
  3. Stir until smooth and glossy. Add the coffee liqueur (if using) for extra flavor.

Step 3: Prepare the Coffee Buttercream

  1. Beat the softened butter in a large bowl until creamy.
  2. Gradually add the powdered sugar, beating continuously.
  3. Slowly mix in the brewed coffee until the buttercream is smooth and fluffy.

Step 4: Assemble the Opera Cake

  1. Place the first layer of Joconde sponge into a rectangular mold or baking dish.
  2. Brush with coffee syrup or brewed coffee to enhance flavor and moisture.
  3. Spread a thin layer of coffee ganache over the sponge.
  4. Add a coffee buttercream layer, smoothing it evenly.
  5. Repeat the layering process until all layers are used.

Step 5: Add the Chocolate Glaze & Chill

  1. Pour the chocolate glaze evenly over the top of the cake.
  2. Refrigerate for at least 3 hours before slicing to allow the layers to set properly.

Step 6: Serve & Enjoy

  1. Slice into small, elegant portions and serve chilled. Enjoy this indulgent French dessert!

Notes

  • For a smoother texture, sift the almond flour and powdered sugar before mixing.
  • Let the cake chill overnight for the best flavor and structure.
  • Use high-quality chocolate for a richer ganache.
  • Decorate with gold leaf, cocoa powder, or edible pearls for a professional finish.