Serves: 8 people
Resting time: 4 hours
Baking: 30 minutes
Freezing: 4 hours
Utensils
2x18cm Ø Rings
1x20cm Ø Ring
Saint Honoré Pastry Bag
Gelatine Mass
- Mix the powder and water and allow to swell for about twenty minutes.
Gluten-free Cocoa Streusel
- Mix the ingredients.
- Using your fingertips, rub in the softened butter, then store in the fridge for 2 hours.
- Lower to a height of 3mm between two cardboard sheets, cut a disc with a biscuit cutter and bake for 22 minutes at 150°C in a preheated oven.
- Leave to cool.
Gluten-free Biscuits
- Sift together the chestnut flour, starch and cocoa powder.
- Warm the butter at a temperature of 50°C.
- Whisk the egg whites with brown sugar until stiff peaks form.
- Gently fold the egg yolks in with a spatula, then add the dry ingredients.
- Finish by adding the butter.
- Roll out 960g of dough onto a baking tray lined with parchment paper and bake for 8 minutes at 170°C in a preheated oven.
- Let cool then cut out an 18cm disc with a cookie cutter.
Creamy Nyangbo and Smoked Vanilla – To be made the day before
- Bring the cream and milk to the boil with the split and scraped vanilla pod. Leave to infuse overnight in the fridge.
- The next day, mix the egg yolks and sugar together.
- Bring the mixture to the boil then pour through a chinois strainer over the previous day’s mixture.
- Pour back into the saucepan and cook like a crème anglaise until it reaches a temperature of 82°C. The mixture must have a sauce-like consistency. Add the gelatine, mix and pour over the chocolate.
- Mix with a hand blender until the ganache becomes homogenous.
- Pour 200g in a 18cm ring placed on a plate covered with parchment paper, then freeze.
- Reserve the rest for decoration.
Light Chantilly with Smoked Vanilla – To be made the day before
- Pour the cream into a saucepan, split the vanilla pod in half, scrape the seeds and add the rest to the cream.
- Bring to the boil and let it sit overnight in the refrigerator.
- The next day, boil half the cream, add gelatine, then pour over the chocolate.
- Whisk and let cool until it reaches a temperature of 50°C.
- Whip the rest of the cream until frothy and stir it into the ganache.
White Spray Icing
- Melt the cocoa butter and chocolate, add the colouring and whisk.
- Set aside.
Black Spray Icing
- Melt the cocoa butter and chocolate, add the charcoal powder, mix and set aside.
Assembly
- Frost the streusel with the black frosting and place it on the gluten-free biscuit.
- Place the 20cm diameter stainless steel ring on a plate covered with parchment paper.
- Add whipped cream at the bottom of the ring, up to about ¾ of the height.
- Smooth the whipped cream lightly around the edges then insert the cream in the centre.
- Add the streusel biscuit bottom and place in the freezer for 3 hours.
- Remove from the freezer, turn out of the moulds, place on a rack and frost with white frosting.
- Finish by piping the rest of the cream using a pastry bag with a Saint-Honoré nozzle.