Serves: 10 people
Resting time: 3 hours
Baking: 10 minutes
Freezing: 3 hours
Utensils
2cm Half-Sphere Moulds
3.5cm Cookie Cutter
SF105 Cube-shaped Mould
Creamy Hazelnut Coffee – To be made the day before
- Pour the milk, glucose and coffee beans into a saucepan, bring to the boil, remove from the stove and let it infuse for 10 minutes.
- Pour through a chinois strainer, add the Gianduja and cold cream, then mix.
- Pour into the half-sphere moulds and keep in the freezer.
Creamy Chocolate Coffee
- Pour the milk, cream and coffee beans into a saucepan, bring to the boil, remove from the stove and let it infuse for 10 minutes.
- Pour through a chinois strainer, check the weight of the liquid, adjust if necessary, then incorporate the egg yolk, and cook like a crème anglaise until it reaches a temperature of 85°C.
- Pour over the chocolate, mix and then pour into the half-spheres and place in the freezer.
Coffee Biscuit
- Whip the egg yolks, eggs and sugar*.
- At the same time, whisk the egg whites with sugar** until stiff peaks form and incorporate them fully into the egg yolk batter.
- Add the butter and instant coffee and finally add the sifted flour.
- Pour onto a baking tray lined with parchment paper and bake for 10 minutes at 190°C in a preheated oven.
Coffee Mousse – To be made the day before
- Pour the cream, sugar and coffee beans into a saucepan and bring to the boil.
- Pour through a chinois strainer, add the softened and drained gelatine, then mix.
- Add the cold cream and place in the fridge for 12 hours. Whip the cream before use.
Chocolate Mousse
- Pour the milk and egg yolks into a saucepan, cook like a crème anglaise and then pour onto the chocolate and stir until a ganache is formed.
- Whip the cream and then incorporate it into the ganache when it attains a temperature of 45°C.
- Place in the fridge.
Crunchy Biscuits
- Heat the white chocolate and hazelnut paste to 40°C then mix to obtain a homogeneous paste.
- Spread the paste until it is 0.5 mm thick and place between two acetate sheets in the fridge.
Dark Chocolate Icing
- Pour the water and sugar into a saucepan, bring to the boil until it reaches a temperature of 120°C.
- In a second saucepan, boil the cream, glucose, invert sugar and cocoa powder.
- Add the softened gelatine, mix and set aside.
White Chocolate Icing
- Heat the ingredients together, stir until well blended and use at 40°C.
Assembly
- Cut 20 biscuit squares using a biscuit cutter.
- Pour the coffee mousse and chocolate mousse alternately one over the other into cube-shaped moulds.
- Remove the half-spheres from the moulds, join them together and place a sphere inside each cube.
- Cover with mousse, top with the biscuit square and place in the freezer.
- Cut 10 rectangles of 8x4cm from the crunchy biscuit.
- Take the cubes out of the freezer, turn them out onto a rack and ice them. Use the dark chocolate icing for the chocolate mousse cubes and the white icing for the coffee mousse cubes.
- Drain the base of the cubes and drop a cube onto each crunchy biscuit.