Sophie’s Hazelnut Dacquoise Centrepiece recipe - The Great British Bake Off

Ingredients

• 150g blanched hazelnuts
• 1 tsp icing sugar
• 250g caster sugar
• 30g cornflour
• 6 egg whites
• large pinch of salt
• 45g unsalted butter, melted and cooled
• 300ml double cream
• 250g 60% dark chocolate, finely chopped, plus extra, grated, to decorate
• 25g unsalted butter, softened
• 5g leaf gelatine (about 3 leaves)
• 3 egg yolks
• 150g caster sugar
• 15g cornflour
• 225ml whole milk
• 10g instant coffee
• 300ml whipping cream
• 600ml whipping cream
• 100g icing sugar, sifted