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Gateau opera
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Prep Time:
75 minutes
Cook Time:
40 minutes
Total Time:
115 minutes
Indulgent layers of sweetness that will make you want to sing!
Ingredients:
  • 3 eggs
  • 3 eggwhites
  • 100g almond meal
  • 30g plain flour, sifted
  • 1.00 gm baking powder
  • 150g dark chocolate, melted, cooled
  • 55g caster sugar
  • 2 egg yolks
  • 85g caster sugar
  • 3 tsp instant coffee powder
  • 140g unsalted butter, softened
  • 70g dark chocolate, broken up
  • 85ml milk
  • 170ml thick cream, whipped
  • 1 tsp instant coffee powder
  • 100g caster sugar
Instructions:
  • Preheat your oven to 200°C. Grease and line the base of a 20cm square cake pan for flawless baking.
  • In an electric mixer, beat sugar and 3 eggs for 5 minutes until pale. In a separate bowl, whisk egg whites until stiff peaks form, then fold into the egg mixture. Combine almond meal, flour, and baking powder; gently fold into the egg mixture. Spread into pan and bake for 20 minutes. Let it cool, then remove from pan and slice into 3 thin layers.
  • First, combine sugar and 100ml of water in a saucepan over low heat, stirring until sugar dissolves. Increase heat and boil for 5 minutes until thick and sticky. Remove saucepan from heat. Whisk egg yolks until smooth, then slowly pour them into the hot syrup while whisking. Keep whisking until the mixture thickens and cools down. Next, dissolve coffee in 1 tablespoon of boiling water and whisk it into the egg mixture along with the butter. Allow the buttercream to cool completely.
  • For the ganache, melt the chocolate in a heatproof bowl over simmering water. Meanwhile, bring the milk to a boil in a separate saucepan. Combine the melted chocolate with the hot milk. Remove from heat and cool, stirring occasionally. Gently fold in the cream until well combined.
  • Create a sweet syrup by combining coffee, sugar, and 100ml of water in a saucepan over low heat until sugar dissolves. Increase heat and boil for 2 minutes, then let it cool.
  • Start by laying the first cake layer on a serving plate. Brush with 1/3 of the syrup, cover with buttercream, and add the second layer of cake. Continue by brushing with another 1/3 of the syrup, spreading ganache, and placing the final cake layer on top. Refrigerate for 30 minutes. Next, spread melted chocolate on the cake, keeping a little for piping. Finally, write 'opera' on the cake using the chocolate in the piping bag.