150g/5oz caster sugar
25g/1oz demerara sugar
25g/1oz raisins
25g/1oz sultanas
1 vanilla pod, split, seeds scraped out
75驳/2陆辞锄 butter
300ml/陆 pint double cream
2 free-range eggs
6 free-range egg yolks
300ml/陆 pint whole milk
8 ready-made hot cross buns, halved