2.Combine chilli, spices, sauces, juice, honey, garlic and the water in medium jug.
3.Place lamb, in single layer, in large shallow baking dish, drizzle with sauce. Cook, covered, in oven, turning lamb occasionally, about 2 hours or until meat is almost falling off the bone.
4.Remove lamb from dish, cover to keep warm. Skim away excess fat, strain sauce into small saucepan. Bring sauce to the boil, boil, uncovered, 2 minutes.
5.Boil, steam or microwave choy sum and gai lan, separately, until tender, drain. Divide vegetables among serving plates, serve with lamb, drizzle with sauce.