Top grilled bread slices with chopped tomato and green onion slices before serving.

Cut bread in half lengthwise; spread cut surfaces of bread with dressing. Place bread, cut sides down, on grate of grill. Cook until golden brown; turn over. Top with sliced plum tomatoes, chopped fresh basil and KRAFT Shredded Mozzarella Cheese. Cover grill with lid. Grill 5 minutes or until cheese is melted.

Instead of cooking on the grill, place bread slices, dressing sides up, on rack of broiler pan. Broil, 4 inches from heat, for 2 to 3 minutes on each side or until both sides are golden brown.