1.Preheat grill. Cut bread into 1.5cm thick slices; halve any large slices crossways. Toast under hot grill until browned lightly; while still hot, rub one side of toast with garlic. Place toast on tray; drizzle oil evenly over toast.
2.In a small bowl, combine tomato and onion.
3.Just before serving, top bruschetta with tomato mixture then rocket.