Heat the oil in a large flameproof casserole dish. Add the gammon joint and cook for 5min until brown all over. Remove from the pan. Add the shallots, carrots and celery to the pan. Fry for 3-4min ...

It wouldn’t be Christmas without a glazed gammon ... joint, depending on how organised you are. My preferred method is to leave the joint to soak overnight in cold water, then rinse and cook ...