1 large orange, finely grated zest and juice
1 tsp ground allspice
125g/4陆oz dark brown soft sugar
1 tsp ground cinnamon
录 tsp ground cloves
陆 tsp freshly grated nutmeg
200g/7oz raisins
600ml/21fl oz double cream
4 free-range eggs, separated
75ml/2陆fl oz spiced rum