5 large free-range eggs, separated
170 g (6 oz) generous 3/4 cup of caster (superfine) sugar
140 g (5 oz) of (DF/GF) dark chocolate
3 tablespoons of cold water
1/2 teaspoon of pure Madagascan vanilla extract
225 g (8 oz) 1 cup of unsweetened chestnut puree
240 g (8 1/2 oz) 1 1/4 cups of whole chestnuts, drained and roughly chopped
2 tablespoons of brandy, or rum, or fresh black coffee
2 tablespoons of coconut cream
(DF/GF) cocoa powder (or grated [DF/GF] dark chocolate), to dust
**(DF/GF) = Dairy Free / Gluten free