2 onions, quartered
4 tbsp English mustard
300³¾±ô/½±è¾±²Ô³Ù chicken stock (to make a gravy)
1 bay leaf
few cloves
75²µ/2½´Ç³ú demerara sugar, depending on size of ham
few black peppercorns
5½ -7¼kg/12-16lb ham with the bone in