Easy Gateau Opera Cake Recipe (Popular French Dessert)

Gateau Opera Cake Recipe: If drama and luxury fit a dessert, nothing matches an Opera Cake. Born in Paris, this fancy treat layers almond sponge, coffee syrup, creamy buttercream, and silky chocolate, all stacked like a delicious music symphony. Each bite is soft, rich, and smooth, perfect for sharing with friends or impressing at special occasions.  Let’s break it down into simple steps.

Required Ingredients

  • Eggs
  • Almond flour
  • Powdered sugar
  • All-purpose flour
  • Butter (melted)
  • Egg whites
  • Granulated sugar
  • Heavy cream
  • Dark Chocolate (chopped)
  • Instant Coffee (dissolved in 2 tablespoons hot water)
  • Sugar Syrup (sugar + water boiled together)
  • Vanilla Extract

Step By Step Direction

Step 1: Prepare Sponge Layers
Preheat oven to 180°C. Grease and line two baking trays. Beat eggs, almond flour, powdered sugar, and all-purpose flour until smooth. Fold in melted butter. In a separate bowl, whip egg whites with sugar until stiff peaks form, and gently fold into batter. Bake for 10–12 minutes until golden. Cool completely.

Prepare Sponge Layers Step
Prepare Sponge Layers Step

Step 2: Make Coffee Syrup
Mix dissolved coffee with sugar syrup and set aside to soak the sponge layers later.

Make Coffee Syrup Step
Make Coffee Syrup Step

Step 3: Prepare Ganache
Heat cream in a pan until warm, then pour over chopped chocolate. Let sit for 2 minutes, then stir until glossy and smooth.

Prepare Ganache Step
Prepare Ganache Step

Step 4: Make Coffee Buttercream
Whip softened butter with sugar until light. Add coffee mixture and vanilla extract. Whip until creamy.

Make Coffee Buttercream Step
Make Coffee Buttercream Step

Step 5: Assemble the Cake
Cut sponge into equal rectangular layers. Place first layer on tray, brush with coffee syrup, spread a layer of coffee buttercream, then add another sponge layer. Brush again, spread ganache, and repeat until all layers are stacked.

Assemble the Cake Step
Assemble the Cake Step

Step 6: Finish & Chill
Cover top with a smooth coat of ganache. Refrigerate for at least 1 hour before slicing to set properly.

Finish & Chill Step
Finish & Chill Step

    Nutrition Facts (per serving)

    NutrientAmount% Daily Value*
    Calories420 kcal21%
    Total Fat28 g35%
    Saturated Fat14 g70%
    Cholesterol110 mg37%
    Sodium70 mg3%
    Total Carbohydrate36 g13%
    Dietary Fiber3 g10%
    Total Sugars24 g
    Protein7 g14%
    Vitamin C0.5 mg1%
    Calcium40 mg4%
    Iron2.5 mg14%
    Potassium210 mg6%

    “The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.”

    Final Thought

    French or Gateau Opera cake is elegant and rich, blending coffee, chocolate, and almond flavors in delicate layers. Though it looks luxurious, this recipe breaks it into simple steps so you can enjoy a French classic at home.

    Also Read: Homemade Lemon Cheese cake Recipe (Simple & Perfect)

    FAQ’S (Frequently Asked Questions)

    Can I make the sponge layers in advance?

    Yes, you can bake them a day earlier and store them wrapped in the fridge.

    Can I use white or milk chocolate instead of dark?

    Yes, but the cake will be sweeter and less intense in flavor.

    Can this cake be frozen?

    Yes, tightly wrap in cling film and freeze for up to 1 month. Thaw in the fridge before serving.

    Gateau Opera Cake Recipe
    Sanjeev Vekariya

    Gateau Opera Cake

    5 from 1 vote
    Gateau Opera Cake is a French dessert made of thin almond sponge layers soaked in coffee syrup, with creamy coffee buttercream and rich chocolate ganache stacked beautifully.
    Prep Time 40 minutes
    Cook Time 25 minutes
    Cool Time 1 hour
    Total Time 2 hours 5 minutes
    Servings: 10 Slices
    Course: Dessert
    Cuisine: French
    Calories: 420

    Ingredients
      

    • 6 large eggs
    • 1 ½ cups almond flour
    • 1 ½ cups powdered sugar
    • ½ cup all-purpose flour
    • 6 tablespoons unsalted butter melted
    • 4 large egg whites
    • 3 tablespoons granulated sugar
    • 1 cup heavy cream
    • 200 gm dark chocolate chopped
    • 2 teaspoons instant coffee dissolved in 2 tablespoons hot water
    • ½ cup sugar syrup sugar + water boiled together
    • 1 teaspoon vanilla extract

    Method
     

    1. Preheat the oven and get your trays ready.
    2. Mix eggs, almond flour, powdered sugar, and all-purpose flour until smooth. Add the melted butter.
      6 large eggs, 1 ½ cups almond flour, 1 ½ cups powdered sugar, ½ cup all-purpose flour, 6 tablespoons unsalted butter
    3. Whip the egg whites with sugar until fluffy, then gently add to the mixture. Bake for about 10 minutes until golden, and let cool.
      4 large egg whites, 3 tablespoons granulated sugar
    4. Stir coffee into sugar syrup. Save to soak the cake layers.
      ½ cup sugar syrup, 2 teaspoons instant coffee
    5. Warm cream and pour over chopped chocolate. Wait two minutes, then stir until shiny and smooth.
      1 cup heavy cream, 200 gm dark chocolate
    6. Beat butter with sugar until light, add the coffee mix and vanilla, and whip until creamy.
      1 teaspoon vanilla extract
    7. Cut the sponge into layers. Place one layer on a plate, brush with coffee syrup, spread buttercream, add the next layer, brush syrup, add ganache, and repeat.
    8. Smooth more ganache on top. Chill for 1 hour before slicing so the cake can set.

    Notes

    • Always chill between layers for neat results.
    • Use good-quality coffee and chocolate for authentic flavor.
    • A warm knife helps cut clean slices without breaking the layers.

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