100g/3陆oz granulated sugar
2 tbsp golden syrup
1 tbsp caster sugar
陆 tsp sea salt
330驳/11陆辞锄 dark chocolate (55-70% cocoa solids), chopped into small pieces
30g/1oz unsalted butter
80ml/2戮fl oz double cream
whipped double cream, to serve
8 free-range eggs, separated