Opera Cake

  5.0 – 1 reviews  • French

This cake tastes like opera! The best chocolate and peanut butter combo is used, which is coffee and chocolate. In a small bakery in the East, I came across this dish. I had to recreate it myself in my kitchen when I moved to the West Coast. Cake keeps better in the refrigerator if there is any left over.

Prep Time: 1 hr
Cook Time: 20 mins
Total Time: 1 hr 20 mins
Servings: 12

Ingredients

  1. 6 large egg whites, at room temperature
  2. 2 tablespoons white sugar
  3. 2 cups almond flour
  4. 2 cups confectioners’ sugar, sifted
  5. 4 large eggs
  6. 2 large egg yolks
  7. ½ cup all-purpose flour
  8. ½ cup boiling water
  9. ⅓ cup white sugar
  10. 1 ½ tablespoons instant coffee powder
  11. 2 tablespoons boiling water
  12. 2 tablespoons instant coffee powder
  13. 1 cup white sugar
  14. ¼ cup water
  15. ½ teaspoon vanilla extract
  16. 1 large egg
  17. 1 large egg yolk
  18. 14 tablespoons unsalted butter, at room temperature
  19. 8 ounces dark chocolate, finely chopped
  20. ½ cup whole milk
  21. ¼ cup heavy cream
  22. 4 tablespoons unsalted butter, at room temperature

Instructions

  1. Preheat the oven to 425 degrees F (220 degrees C). Line 2 jelly roll pans with parchment paper.
  2. Beat egg whites in a glass, metal, or ceramic bowl until soft peaks form. Slowly add white sugar and whip on high speed until whites are stiff and glossy.
  3. Beat almond flour, confectioners’ sugar, eggs, and egg yolks in a separate bowl for 3 minutes. Add flour and beat on low speed until combined. Gently fold egg whites into almond mixture until combined. Divide batter between the jelly roll pans; spread evenly.
  4. Bake cake layers in the preheated oven until lightly browned, about 5 minutes. Invert onto cooling racks and peel off parchment paper; let cool.
  5. Make coffee syrup while cake is cooling. Combine boiling water, sugar, and coffee powder in a small bowl; stir until dissolved.
  6. Stir 2 tablespoons boiling water and coffee powder together for buttercream. Set aside.
  7. Combine sugar, 1/4 cup water, and vanilla extract in a small saucepan. Bring to a boil. Cook, without stirring, until an instant-read thermometer inserted into mixture reaches 255 degrees F (124 degrees C).
  8. Meanwhile, beat egg and egg yolk in a stand mixer on high speed until pale and foamy. Pour hot sugar syrup carefully down the side of the mixer bowl, mixing continuously until the bottom of the bowl feels cool to the touch.
  9. Beat butter in a separate bowl until creamy. Add butter gradually to egg mixture, beating until frosting is fluffy. Add dissolved coffee mixture and beat until well incorporated.
  10. Place dark chocolate in a heat-proof bowl. Bring milk and cream to a boil in a saucepan. Pour over chocolate; stir until melted and smooth. Whisk in butter until ganache looks smooth and creamy. Let cool.
  11. Cut cooled cake layers in half crosswise. Place 1 piece on a rectangular serving plate. Sprinkle some coffee syrup on top. Add an even layer of buttercream. Repeat with a second cake layer: more coffee syrup and another layer of buttercream. Spread 1/2 of the ganache on top. Repeat with remaining cake layers: coffee syrup and buttercream. Top cake with remaining ganache.
  12. Almond meal can be found in specialty stores and some supermarkets. One pound of almond meal yields about 4 3/4 cups. To make 2 cups of almond meal in a food processor, grind 1 1/3 cups (6.6 oz) raw almonds with the 2 tablespoons of the white sugar listed in the recipe (the sugar helps give the nuts a finer grind). Blanched almonds will give the jaconde a more elegant look, but whole raw almonds will work just as well. Proceed as directed.

Nutrition Facts

Calories 645 kcal
Carbohydrate 66 g
Cholesterol 183 mg
Dietary Fiber 4 g
Protein 12 g
Saturated Fat 15 g
Sodium 69 mg
Sugars 55 g
Fat 39 g
Unsaturated Fat 0 g

Reviews

Brendan Bond
My wife and I have made a few cakes from this site. From mini cheese cakes, german chocolate to angel food. This is definitely a great dessert, sweet with coffee and chocolate and firm enough to maintain its shape with each fork full, but not dense to chew. We cut this recipe into twelve equal pieces and each serving was enough with a scopp of ice cream. Only recommendations would be to not use outdated instant coffee and brush it onto the layers.

 

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