Thinly slice and marinate zucchini, yellow squash, orange peppers and red onions in balsamic vinegar, olive oil, salt and minced thyme. Grill vegetables until tender. Layer vegetables on a sliced Rotella #776 Ciabatta Line Bun with some sliced tomatoes and sliced fresh mozzarella. Place top of bread on sandwich and cook in panini grill until sandwich is toasty and warm throughout…A Real Treat!