Preheat oven to 425 degrees. Slice bread and put aside. In large bowl combine eggplant, zucchini, squash, olive oil, salt, pepper, basil and garlic. Place vegetables on a baking sheet covered with foil and bake for 30 minutes. Place lettuce on bread and top with roasted vegetables. Add mozzarella and tomato. Drizzle vinegar over sandwich. Serve.
Recipe Courtesy of Food Network Kitchens