2 onions, quartered
4 tbsp English mustard
300尘濒/陆辫颈苍迟 chicken stock (to make a gravy)
1 bay leaf
few cloves
75驳/2陆辞锄 demerara sugar, depending on size of ham
few black peppercorns
5陆 -7录kg/12-16lb ham with the bone in