4 tbsp ginger syrup from the jar
2 tbsp Dijon mustard
6 tbsp full-fat mayonnaise
2 tbsp wholegrain mustard
salt and freshly ground black pepper
pinch caster sugar
4 pieces stem ginger, finely chopped
600ml/21fl oz ginger beer
200g/7oz full-fat cr猫me fra卯che
3kg/6lb 8oz unsmoked gammon joint, off the bone