Philip Harben recommends
Slow-cooked turkey and stuffing
Bread sauce
Giblet gravy
Fondant potatoes Peas
Brussels sprouts
Christmas pudding, flaming brandy, zabaglione sauce
Cooking times by the slow roasting methods:
6-12 lbs: 20 minutes a lb. and 80 minutes over
13-20 lbs: 16 minutes a lb. and 2 hrs. over
21-30 lbs: 14 minutes a lb. and 2 hrs. over