Preheat grill to medium-high. Spray cut sides of vegetables lightly with olive oil spray before placing on the grill. Grill 2 to 3 minutes on each side or until crisp-tender with grill marks. Cool slightly.
Preheat oven to 400°F. Spoon ¾-cup FarmToFork™ Tomato Basil Sauce in bottom of 13x9-inch baking dish. Layer 1/3 each of the eggplant, zucchini and onions, 3/4-cup sauce, 1 cup shredded cheese and 1 tablespoon Parmesan. Repeat layers twice. Combine bread crumbs, oil and remaining Parmesan; sprinkle over mixture in dish. Top with spoonfuls of remaining sauce.
Bake 20-25 minutes or until bubbling and golden brown. Let stand 5-10 minutes before serving