1/2 sliced onion
2 ribs sliced celery
7 or 8 slices mushrooms
4 or 5 sliced tomatoes
1 or 2 sliced zucchini
2 c. cheddar cheese
6 slices Provolone cheese
2 c. Mozzarella cheese
Parmesan cheese
Italian seasoning

Spray casserole dish with Pam. Layer vegetables, sprinkle Italian seasoning, then add cheeses. Make 2 layers ending with cheeses. Cook in 325 degree oven until all cheeses have melted. 30 or 45 minutes depending on oven.