Ingredients
Scale
For the Vanilla Tuiles:
- 65 g (2.3 oz) softened butter
- 60 g (2.1 oz) sifted confectioner’s sugar
- ½ tsp pure vanilla extract
- 2 large egg whites (slightly whisked with a fork)
- 65 g (2.3 oz) all-purpose flour, sifted
- 1 ½ tsp unsweetened cocoa powder, sifted
For the Crust:
- 2 ½ oz toasted ground hazelnuts
- 2 oz chocolate cookie crumbs
- 1 oz bittersweet chocolate, melted
- 1 tsp unsweetened cocoa powder, sifted
- Tiny pinch of salt
- 1 tbsp dark rum
For the Chestnut Mascarpone Mousse:
- 1 cup whipping cream, cold
- 8 oz unsweetened chestnut puree
- 2 tbsp dark rum
- 1 tsp pure vanilla extract
- Pinch of salt (if using homemade puree)
- 6 oz mascarpone cheese
- 3 large egg whites
- 4 ½ oz fine granulated sugar
- ¼ cup cold water
- 7 g powdered gelatin (3 tsp, one envelope)
For Serving:
- Grated bittersweet chocolate
- Whipped cream with a splash of rum (optional)
- Chocolate-caramel sauce (optional)
Instructions
Step 1: Making the Vanilla Tuiles
- Prepare Your Equipment:
- Preheat the oven to 325°F (160°C).
- Line a baking sheet with a silicone mat.
- Mix the Batter:
- In a bowl, beat butter and confectioner’s sugar until smooth. Add vanilla extract and mix.
- Gradually whisk in egg whites, followed by the sifted flour. Mix gently to avoid aeration.
- Separate ¼ cup of the batter and mix with cocoa powder for the chocolate design.
- Chill and Shape:
- Chill the vanilla batter for at least 30 minutes. Transfer the chocolate batter to a piping bag with a small round tip.
- Spread the vanilla batter thinly using a stencil and pipe chocolate veins on top.
- Bake and Shape:
- Bake for 5–10 minutes or until golden brown.
- While warm, shape the cookies as desired. Allow to cool completely.
Step 2: Preparing the Crust
- Set Up Molds:
- Lightly grease 6 round molds (2½-inch diameter) and line with parchment or acetate.
- Combine Ingredients:
- Mix hazelnuts, cookie crumbs, melted chocolate, cocoa, salt, and rum in a bowl. Add water if the mixture is too dry.
- Form the Base:
- Divide the crust mixture evenly between molds and press firmly to create a base. Refrigerate for at least 1 hour.
Step 3: Crafting the Chestnut Mascarpone Mousse
- Whip the Cream:
- Whip cold cream until soft peaks form. Refrigerate.
- Blend the Chestnut Puree:
- Process chestnut puree with rum, vanilla, and salt until smooth.
- Prepare the Base:
- Mix mascarpone with the chestnut puree until smooth.
- Make the Meringue:
- Heat egg whites and sugar over simmering water until 140°F (60°C). Whisk until stiff peaks form.
- Incorporate Gelatin:
- Dissolve gelatin in water and gently warm. Combine with the chestnut-mascarpone mixture.
- Combine All Components:
- Fold meringue and whipped cream into the chestnut-mascarpone mixture. Be gentle to maintain the mousse’s airy texture.
- Pipe and Chill:
- Pipe mousse into prepared molds and refrigerate for at least 2 hours.
Step 4: Plating and Serving
- Unmold and Decorate:
- Remove desserts from molds, garnish with grated chocolate, and top with whipped cream if desired.
- Optional Enhancements:
- Add a drizzle of chocolate-caramel sauce for an extra touch of decadence.
Notes
- Flavors: The nutty richness of chestnut puree, complemented by mascarpone’s creamy tang and a hint of rum, creates a well-balanced dessert.
- Textures: The contrast between the crunchy crust, smooth mousse, and crisp tuile cookies makes each bite an exciting experience.
- Aromas: Warm notes of vanilla, chocolate, and rum evoke an irresistible sense of indulgence.
- Prep Time: 1 hour
- Cook Time: 30 minutes