Preheat oven to 180ºC . All Vegetables should be coarsely chopped. Rub paprika, salt, pepper, and garlic all over lamb. Set aside. In a roasting pan, nestle lamb in the center of the vegetables and cook, uncovered for approximately 20 min (for 4-pound leg) or until top of lamb is brown. Add water, cover, and cook for 1.5 hours for medium done roast. Makes 5 servings. LAMB SAUCE: Strain Vegetables from roasting pan. Put drippings in a heavy pan. Add: 2 tb tomato paste and 1 litre of water. Simmer for about 15 minutes, skimming grease from top of sauce several times.