eggplant • chopped onion • garlic cloved, minced • dried taragon • dried thyme • (14-1/2 ounces) diced tomatoes, undrained • (8 ounces) tomato sauce • (10 ounces) frozen chopped spinach, thawed and well drained • ricotta cheese • (4 ounces) shredded part-skim mozarella cheese, divided • egg subtitute • grated parmesan cheese •