in a saucepan combine zucchini, squash, onions, green peppers, cans of tomatoes, and seasoning packet. Simmer over med heat until all veggies are tender.
In another pot, boil ziti noodles according to package instructions. Drain and rinse well when done.
preheat over to 350 degrees
IN a large casserole dish stir noodles, sauce and parmasean cheese together. Cover with moz. cheese evenly over the top. Place in oven until cheese on top is melted and slightly browning.