Place eggplant on a grill rack or broiler pan coated with cooking spray; cook 5 minutes on each side or until eggplant is tender and browned.
Place tomato on grill rack or broiler pan coated with cooking spray, and cook 2 minutes on each side or until tomato is done.
Place bread on grill rack or broiler pan coated with cooking spray; cook 1 minute on each side or until bread is lightly toasted.
Spread 1 tablespoon Sun-dried Tomato Pesto on each bread slice, and place 1/2 slice of cheese on each of 4 bread slices. Arrange greens, eggplant, and tomato evenly over cheese, and top with 4 bread slices.