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photorealistic opera cake slice with sharp layers in modern kitchen

Opera Cake


  • Author: Ethan Cole
  • Total Time: 2 hours
  • Yield: 10 servings 1x

Description

A rich multi-layer French dessert made with almond sponge, coffee syrup, silky buttercream, and dark chocolate ganache, creating a refined and elegant flavor profile.


Ingredients

Scale
  • 1 cup almond flour
  • 1 cup confectioners’ sugar
  • 3 large eggs
  • 3 large egg whites
  • 1/4 cup granulated sugar
  • 1/4 cup all-purpose flour
  • 1/2 cup water
  • 1/2 cup granulated sugar
  • 1 tablespoon instant espresso powder
  • 4 large egg yolks
  • 1/2 cup granulated sugar
  • 3 tablespoons water
  • 1 cup unsalted butter, softened
  • 1 tablespoon instant espresso dissolved in 1 tablespoon hot water
  • 6 ounces dark chocolate, chopped
  • 1/2 cup heavy cream
  • 6 ounces dark chocolate
  • 3 tablespoons unsalted butter


Instructions

  1. Whisk almond flour, confectioners’ sugar, and whole eggs until pale.
  2. Whip egg whites with granulated sugar to soft peaks.
  3. Fold whites into almond mixture and add flour.
  4. Bake sponge thin and evenly until lightly golden.
  5. Heat water and sugar, then stir in espresso powder for syrup.
  6. Cook sugar and water, pour into whipped egg yolks for buttercream.
  7. Add softened butter and dissolved espresso to finish buttercream.
  8. Heat cream and pour over chopped chocolate to make ganache.
  9. Alternate layers of sponge, syrup, buttercream, and ganache.
  10. Chill, then cover top with warm chocolate glaze and set before slicing.

Notes

  1. Use a sharp knife dipped in warm water for clean slices.
  2. Chill cake between steps to keep layers even and stable.
  3. Prepare components a day ahead for easier assembly.
  • Prep Time: 1 hour
  • Cook Time: 30 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: French

Nutrition

  • Serving Size: 1 slice
  • Calories: 450
  • Sugar: 34
  • Sodium: 95
  • Fat: 30
  • Saturated Fat: 18
  • Unsaturated Fat: 10
  • Trans Fat: 0
  • Carbohydrates: 38
  • Fiber: 2
  • Protein: 6
  • Cholesterol: 160