75驳/2戮辞锄 caster sugar
5-6 tbsp cornflour, for dusting
9 sheets gelatine, soaked in 140ml/4戮fl oz water
1 tbsp liquid glucose
5-6 tbsp icing sugar, for dusting
450g/1lb granulated sugar
1 tsp vanilla extract
vegetable oil, for greasing
200g/7oz dark chocolate, roughly chopped
2 large free-range egg whites