Balsamic Grilled Vegetables

zucchini, cut in half lengthwise & in 1/2 inch thick slices

bell peppers, cut into wide strips

large red or white onion, cut into 1/2 inch thick rounds

Italian parsley or basil, chopped

Cooking spray (I use Misto)

olive oil, extra virgin

balsamic vinegar

garlic cloves, crushed

salt

ground black pepper