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Opera Cake Recipe

Opera Cake Recipe

Master this elegant homemade Opera Cake with our foolproof recipe that breaks down the best techniques for creating perfect layers. Learn how to make the classic French patisserie favorite with delicate joconde sponge, silky coffee buttercream, and glossy chocolate ganache for an impressive dessert that's easier than it looks!
Difficulty:
Advanced
Prep Time:
60 mins
Cook Time:
10 mins
Serves:
1 cake (12 slices)
An overhead shot of a perfectly rectangular Opera Cake slice on a pristine white plate, revealing six distinct layers in a cross-section view. The cake glistens under soft natural light, highlighting the contrast between the dark chocolate ganache top, amber-colored coffee buttercream, and light almond joconde sponge layers. A golden fork rests beside the slice, with coffee beans and scattered cocoa powder artfully arranged around the plate. In the background, a vintage silver cake server and espresso cup suggest the ideal pairing, while the cake's name "Opéra" is elegantly scripted in chocolate on top of the ganache glaze.

Ingredients

<ul class="ingredients-main-list"><li class="ingredients-single-item">For the Joconde Sponge:</li><li class="ingredients-single-item">6 large eggs, separated</li><li class="ingredients-single-item">200g ground almonds (almond flour)</li><li class="ingredients-single-item">200g icing sugar</li><li class="ingredients-single-item">50g all-purpose flour</li><li class="ingredients-single-item">30g unsalted butter, melted</li><li class="ingredients-single-item">6 egg whites (additional)</li><li class="ingredients-single-item">30g granulated sugar</li><li class="ingredients-single-item">For the Coffee Syrup:</li><li class="ingredients-single-item">100ml strong espresso or very strong coffee</li><li class="ingredients-single-item">50g granulated sugar</li><li class="ingredients-single-item">30ml coffee liqueur (optional)</li><li class="ingredients-single-item">For the Coffee Buttercream:</li><li class="ingredients-single-item">150g granulated sugar</li><li class="ingredients-single-item">60ml water</li><li class="ingredients-single-item">2 large eggs</li><li class="ingredients-single-item">250g unsalted butter, softened</li><li class="ingredients-single-item">15ml coffee extract (or 2 tbsp instant espresso powder dissolved in 1 tbsp hot water)</li><li class="ingredients-single-item">For the Chocolate Ganache:</li><li class="ingredients-single-item">200g dark chocolate (70% cocoa), finely chopped</li><li class="ingredients-single-item">200ml heavy cream</li><li class="ingredients-single-item">25g unsalted butter, room temperature</li></ul>

Equipment

<ul class="equipment-main-list"><li class="equipment-single-item">Stand mixer with whisk attachment</li><li class="equipment-single-item">3 baking sheets (30cm x 40cm)</li><li class="equipment-single-item">Silicone baking mats or parchment paper</li><li class="equipment-single-item">Offset spatula</li><li class="equipment-single-item">Digital kitchen thermometer</li><li class="equipment-single-item">Serrated knife</li><li class="equipment-single-item">Pastry brush</li><li class="equipment-single-item">Heavy-bottomed saucepan</li></ul>

Directions

<ol class="no-list-style"><li class="MethodStepper"><h4 class="step-title">Step 1</h4>Preheat your oven to 220°C. Line three 30cm x 40cm baking sheets with silicone mats or parchment paper. This cake requires precise preparation, so I recommend measuring and preparing all ingredients before starting.</li><li class="MethodStepper"><h4 class="step-title">Step 2</h4>For the joconde sponge, begin by whisking 6 egg yolks with the icing sugar until pale and thick - about 5 minutes. The mixture should fall from the whisk in ribbons that hold their shape momentarily before dissolving. This step creates the base structure of your sponge.</li><li class="MethodStepper"><h4 class="step-title">Step 3</h4>Fold the ground almonds and flour into the egg yolk mixture using gentle, sweeping motions to maintain as much air as possible. Then fold in the melted butter. The butter adds moisture and richness to the otherwise dry almond mixture.</li><li class="MethodStepper"><h4 class="step-title">Step 4</h4>In a separate clean, grease-free bowl, whisk all 12 egg whites (the original 6 separated plus the additional 6) until foamy. Gradually add the granulated sugar and continue whisking until firm, glossy peaks form. This meringue is crucial for the light texture of the sponge - it should stand in stiff peaks when the whisk is lifted.</li><li class="MethodStepper"><h4 class="step-title">Step 5</h4>Carefully fold one-third of the meringue into the almond mixture to lighten it, then gently fold in the remaining meringue. Be careful not to overmix - stop folding as soon as no white streaks remain to preserve the air bubbles that will give your sponge its delicate texture.</li><li class="MethodStepper"><h4 class="step-title">Step 6</h4>Divide the batter equally between the three prepared baking sheets, spreading it evenly with an offset spatula to about 5mm thickness. Bake each sheet for 5-7 minutes until the sponge springs back when lightly touched and the edges are just beginning to color. Don't overbake or the sponge will become dry and brittle.</li><li class="MethodStepper"><h4 class="step-title">Step 7</h4>As soon as each sponge comes out of the oven, carefully flip it onto a clean tea towel dusted with icing sugar, then peel off the parchment or silicone mat. Allow to cool completely. The sugar prevents sticking while the immediate removal of the baking material prevents condensation from making the sponge soggy.</li><li class="MethodStepper"><h4 class="step-title">Step 8</h4>For the coffee syrup, combine the espresso and sugar in a small saucepan over medium heat. Stir until the sugar dissolves completely, then remove from heat and stir in the coffee liqueur if using. Allow to cool completely. This syrup will add moisture and flavor to the sponge layers.</li><li class="MethodStepper"><h4 class="step-title">Step 9</h4>To make the coffee buttercream, combine the sugar and water in a saucepan and heat to 121°C (soft ball stage) without stirring. Meanwhile, whisk the eggs in a stand mixer until pale and doubled in volume. With the mixer running, carefully pour the hot sugar syrup in a thin stream down the side of the bowl (not directly onto the whisk to avoid splattering). Continue whisking until the bowl feels cool to the touch - about 10 minutes.</li><li class="MethodStepper"><h4 class="step-title">Step 10</h4>Add the softened butter to the egg mixture a tablespoon at a time, ensuring each addition is fully incorporated before adding the next. The mixture might look curdled at some point - don't worry, keep beating and it will come together into a smooth, silky buttercream. Finally, beat in the coffee extract or dissolved espresso powder.</li><li class="MethodStepper"><h4 class="step-title">Step 11</h4>For the chocolate ganache, place the chopped chocolate in a heatproof bowl. Heat the cream until it just begins to simmer, then pour over the chocolate. Let stand for 1 minute, then stir gently until smooth. Add the room temperature butter and stir until it's fully incorporated and the ganache is glossy. Allow to cool until it reaches spreading consistency - it should be fluid but not runny.</li><li class="MethodStepper"><h4 class="step-title">Step 12</h4>Trim the cooled sponges into three equal rectangles, approximately 25cm x 20cm. Place one sponge layer on your serving plate or board and brush generously with coffee syrup. The sponge should be moist but not soggy - it will absorb more than you expect.</li><li class="MethodStepper"><h4 class="step-title">Step 13</h4>Spread half of the coffee buttercream evenly over the first soaked sponge layer. The buttercream should be at room temperature for easy spreading - if it's too firm, beat it briefly to soften. Place the second sponge layer on top, brush with coffee syrup, and spread with half of the chocolate ganache.</li><li class="MethodStepper"><h4 class="step-title">Step 14</h4>Add the third sponge layer, brush with the remaining coffee syrup, then spread with the remaining coffee buttercream. Refrigerate for at least 1 hour to set the layers. This chilling time is crucial for clean cuts and well-defined layers.</li><li class="MethodStepper"><h4 class="step-title">Step 15</h4>Once set, pour the remaining ganache over the top of the cake, using an offset spatula to create a perfectly smooth, glossy surface. Return to the refrigerator for at least 2 hours or ideally overnight to set completely.</li><li class="MethodStepper"><h4 class="step-title">Step 16</h4>To serve, warm a sharp knife in hot water, wipe dry, and slice the cake into neat rectangles. Clean and rewarm the knife between each cut for the cleanest edges. Let the cake sit at room temperature for 20-30 minutes before serving to allow the flavors and textures to fully develop.</li></ol>

FAQs

Find answers to your most pressing questions about this delicious recipe right here.

What ingredients are used in Opera Cake Recipe?

Opera Cake requires joconde sponge ingredients (eggs, almond flour, icing sugar, flour, butter), coffee syrup (espresso, sugar, optional liqueur), coffee buttercream (sugar, eggs, butter, coffee extract), and chocolate ganache (dark chocolate, cream, butter).

How to cook Opera Cake Recipe at home?

Learn how to cook Opera Cake Recipe by preparing three layers of joconde sponge, making coffee syrup, preparing coffee buttercream, and creating chocolate ganache. Then assemble by alternating layers of sponge soaked in coffee syrup with the buttercream and ganache fillings. Allow to set completely before serving for perfect, well-defined layers.

Why do traditional French patisserie cakes have such thin, precise layers?

The thin, precise layers in French patisserie create a balanced flavour experience with each bite. This technique showcases the patissier's skill and ensures consistent texture throughout. For Opera Cake specifically, the thin layers allow the coffee and chocolate flavours to harmonise perfectly.

What's the secret to achieving perfectly clean-cut layers in a multilayered cake?

Chill the cake thoroughly (ideally overnight), use a serrated knife dipped in hot water and wiped dry between cuts, and apply gentle sawing motions rather than pressing down. Cleaning the knife between each slice prevents smearing and maintains the distinct layer definition.

Can I prepare the different components of a layered French dessert in advance?

Yes! The joconde sponge can be baked 1-2 days ahead and kept airtight. Coffee syrup keeps for a week refrigerated. Buttercream can be made 3 days ahead and brought to room temperature before using. Ganache can be prepared a day ahead and gently rewarmed.

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Learn how to make the classic French patisserie favorite with delicate joconde sponge, silky coffee buttercream, and glossy chocolate ganache for an impressive dessert that's easier than it looks!", "prepTime": "PT1H", "cookTime": "PT10M", "totalTime": "PT1H10M", "keywords": "opera cake, French patisserie, coffee buttercream, joconde sponge, chocolate ganache", "recipeYield": "12", "recipeCategory": "Dessert", "recipeCuisine": "French", "nutrition": { "@type": "NutritionInformation", "calories": "485 calories", "carbohydrateContent": "45 g", "proteinContent": "6 g", "fatContent": "32 g", "saturatedFatContent": "18 g", "cholesterolContent": "165 mg", "sodiumContent": "120 mg", "sugarContent": "36 g", "servingSize": "1 slice" }, "recipeIngredient": [ "6 large eggs, separated", "200g ground almonds (almond flour)", "200g icing sugar", "50g all-purpose flour", "30g unsalted butter, melted", "6 egg whites (additional)", "30g granulated sugar", "100ml strong espresso or very strong coffee", "50g granulated sugar", "30ml coffee liqueur (optional)", "150g granulated sugar", "60ml water", "2 large eggs", "250g unsalted butter, softened", "15ml coffee extract (or 2 tbsp instant espresso powder dissolved in 1 tbsp hot water)", "200g dark chocolate (70% cocoa), finely chopped", "200ml heavy cream", "25g unsalted butter, room temperature" ], "recipeInstructions": [ { "@type": "HowToStep", "name": "Prepare", "text": "Preheat your oven to 220°C. Line three 30cm x 40cm baking sheets with silicone mats or parchment paper. This cake requires precise preparation, so I recommend measuring and preparing all ingredients before starting." }, { "@type": "HowToStep", "name": "Make Joconde Base", "text": "For the joconde sponge, begin by whisking 6 egg yolks with the icing sugar until pale and thick - about 5 minutes. The mixture should fall from the whisk in ribbons that hold their shape momentarily before dissolving. This step creates the base structure of your sponge." }, { "@type": "HowToStep", "name": "Add Dry Ingredients", "text": "Fold the ground almonds and flour into the egg yolk mixture using gentle, sweeping motions to maintain as much air as possible. Then fold in the melted butter. The butter adds moisture and richness to the otherwise dry almond mixture." }, { "@type": "HowToStep", "name": "Make Meringue", "text": "In a separate clean, grease-free bowl, whisk all 12 egg whites (the original 6 separated plus the additional 6) until foamy. Gradually add the granulated sugar and continue whisking until firm, glossy peaks form. This meringue is crucial for the light texture of the sponge - it should stand in stiff peaks when the whisk is lifted." }, { "@type": "HowToStep", "name": "Combine Mixtures", "text": "Carefully fold one-third of the meringue into the almond mixture to lighten it, then gently fold in the remaining meringue. Be careful not to overmix - stop folding as soon as no white streaks remain to preserve the air bubbles that will give your sponge its delicate texture." }, { "@type": "HowToStep", "name": "Bake Sponge", "text": "Divide the batter equally between the three prepared baking sheets, spreading it evenly with an offset spatula to about 5mm thickness. Bake each sheet for 5-7 minutes until the sponge springs back when lightly touched and the edges are just beginning to color. Don't overbake or the sponge will become dry and brittle." }, { "@type": "HowToStep", "name": "Cool Sponge", "text": "As soon as each sponge comes out of the oven, carefully flip it onto a clean tea towel dusted with icing sugar, then peel off the parchment or silicone mat. Allow to cool completely. The sugar prevents sticking while the immediate removal of the baking material prevents condensation from making the sponge soggy." }, { "@type": "HowToStep", "name": "Make Coffee Syrup", "text": "For the coffee syrup, combine the espresso and sugar in a small saucepan over medium heat. Stir until the sugar dissolves completely, then remove from heat and stir in the coffee liqueur if using. Allow to cool completely. This syrup will add moisture and flavor to the sponge layers." }, { "@type": "HowToStep", "name": "Prepare Buttercream Base", "text": "To make the coffee buttercream, combine the sugar and water in a saucepan and heat to 121°C (soft ball stage) without stirring. Meanwhile, whisk the eggs in a stand mixer until pale and doubled in volume. With the mixer running, carefully pour the hot sugar syrup in a thin stream down the side of the bowl (not directly onto the whisk to avoid splattering). Continue whisking until the bowl feels cool to the touch - about 10 minutes." }, { "@type": "HowToStep", "name": "Finish Buttercream", "text": "Add the softened butter to the egg mixture a tablespoon at a time, ensuring each addition is fully incorporated before adding the next. The mixture might look curdled at some point - don't worry, keep beating and it will come together into a smooth, silky buttercream. Finally, beat in the coffee extract or dissolved espresso powder." }, { "@type": "HowToStep", "name": "Make Ganache", "text": "For the chocolate ganache, place the chopped chocolate in a heatproof bowl. Heat the cream until it just begins to simmer, then pour over the chocolate. Let stand for 1 minute, then stir gently until smooth. Add the room temperature butter and stir until it's fully incorporated and the ganache is glossy. Allow to cool until it reaches spreading consistency - it should be fluid but not runny." }, { "@type": "HowToStep", "name": "Prepare Cake Base", "text": "Trim the cooled sponges into three equal rectangles, approximately 25cm x 20cm. Place one sponge layer on your serving plate or board and brush generously with coffee syrup. The sponge should be moist but not soggy - it will absorb more than you expect." }, { "@type": "HowToStep", "name": "First Layers", "text": "Spread half of the coffee buttercream evenly over the first soaked sponge layer. The buttercream should be at room temperature for easy spreading - if it's too firm, beat it briefly to soften. Place the second sponge layer on top, brush with coffee syrup, and spread with half of the chocolate ganache." }, { "@type": "HowToStep", "name": "Final Layers", "text": "Add the third sponge layer, brush with the remaining coffee syrup, then spread with the remaining coffee buttercream. Refrigerate for at least 1 hour to set the layers. This chilling time is crucial for clean cuts and well-defined layers." }, { "@type": "HowToStep", "name": "Glaze", "text": "Once set, pour the remaining ganache over the top of the cake, using an offset spatula to create a perfectly smooth, glossy surface. Return to the refrigerator for at least 2 hours or ideally overnight to set completely." }, { "@type": "HowToStep", "name": "Serve", "text": "To serve, warm a sharp knife in hot water, wipe dry, and slice the cake into neat rectangles. Clean and rewarm the knife between each cut for the cleanest edges. Let the cake sit at room temperature for 20-30 minutes before serving to allow the flavors and textures to fully develop." } ], "aggregateRating": { "@type": "AggregateRating", "ratingValue": "5", "ratingCount": "178" }, "review": [ { "@type": "Review", "author": "Sophie Laurent", "datePublished": "2024-05-25", "reviewBody": "Perfect balance of coffee and chocolate! This Opera Cake reminded me of the ones I grew up eating in Paris. The instructions were detailed and made the process much less intimidating than I expected.", "name": "Authentic Parisian Flavor", "reviewRating": { "@type": "Rating", "ratingValue": "5" } }, { "@type": "Review", "author": "Marco Bianchi", "datePublished": "2024-05-28", "reviewBody": "Worth every minute of preparation! I spent an entire Sunday making this Opera Cake and it was absolutely stunning. The layers stayed perfectly defined and the taste was exceptional.", "name": "Labor of Love", "reviewRating": { "@type": "Rating", "ratingValue": "5" } }, { "@type": "Review", "author": "Aisha Rahman", "datePublished": "2024-05-30", "reviewBody": "Impressed my French mother-in-law! That says it all. She couldn't believe I made this myself and said the coffee buttercream was absolutely divine. The detailed instructions helped me achieve professional-looking results.", "name": "Mother-in-Law Approved", "reviewRating": { "@type": "Rating", "ratingValue": "5" } }, { "@type": "Review", "author": "Takashi Yamamoto", "datePublished": "2024-06-01", "reviewBody": "Tastes like Paris in every bite! I visited Paris last year and fell in love with Opera Cake. This recipe helped me recreate that experience at home. The joconde sponge was perfectly light and the flavors were beautifully balanced.", "name": "Perfect Recreation", "reviewRating": { "@type": "Rating", "ratingValue": "5" } }, { "@type": "Review", "author": "Elena Petrova", "datePublished": "2024-06-03", "reviewBody": "Finally mastered this classic dessert! After multiple attempts with other recipes, this one gave me clear instructions that worked perfectly. The coffee-chocolate combination is sublime, and the cake looked like it came from a professional patisserie.", "name": "Bakery-Quality Results", "reviewRating": { "@type": "Rating", "ratingValue": "5" } } ] }
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