2.In a small bowl, combine rosemary, oil, honey, mustard and garlic. Rub into meat. Marinate, chilled, for 20 minutes (optional).
3.Preheat oven to hot, 200ยฐC
4.Bake lamb for 10 minutes. Place potato, pumpkin and onion into same dish. Bake for a further 20 minutes. Add zucchini and tomatoes and bake for 10-15 minutes until lamb is cooked to taste.
5.Rest lamb, covered with foil, for 5 minutes. Serve sliced with vegetables.