Grilled Eggplant without hoisin syrup

1 large eggplant about 1 1/2 pounds, cut into 12 1/4-inch-thick rounds * 1 x nonstick cooking spray as needed * 1/4 teaspoon salt 2 1/2 tablespoons parmesan,[...]

1 tablespoon garlic finely chopped 1 x salt and black pepper to taste * 2 tablespoons rice vinegar 2 tablespoons soy sauce 1 tablespoon sesame oil 1/4[...]

2 each romaine lettuce well washed and drained, leaves separated * 1 large eggplant cut crosswise into 1/2-inch thick, about 1 to 1 1/2 pounds * 4 tablespoons[...]