1.Place lamb in a shallow dish. Combine lemon juice and rind, 1 tablespoon of oil, rosemary and garlic in a small jug. Pour over lamb, turning to coat well. Cover and refrigerate 15-20 minutes to marinate, basting occasionally.
2.Pre-heat chargrill or barbecue plate on high. Cook lamb 5-10 minutes, turning once, until cooked to taste. Cover loosely with foil. Rest 5 minutes. Cut into thin slices.
3.In a bowl, combine remaining ingredients. Arrange on a serving platter and top with lamb. Season to taste and serve.