Ingredients
Method
1.Preheat oven to 160°C (140°C fan-forced).
2.Coat oxtail in flour; shake off excess. Heat half of the oil in large flameproof casserole dish; cook oxtail, in batches, until browned all over.
3.Heat remaining oil in same dish; cook onion and garlic, stirring, until onion softens. Return oxtail to dish with sherry, undrained tomatoes, stock, the water, herbs and rind; cook, covered, in oven about 3 hours or until oxtail is tender. Stir in chopped tomato.
4.Meanwhile, combine ingredients for orange gremolata in small bowl.
5.Serve oxtail sprinkled with gremolata on mashed potato, if desired.