Cook pasta according to package directions. Drain.
Add butter to large saucepan.
Cook and stir onions, mushrooms and carrots until soft.
Add soup, milk, seasonings, chicken, broccoli, parmesan and 1 cup (250 mL) mozzarella cheese. Mix well. Stir in pasta.
Spoon into 12 x 8 inch (2 L)
casserole dish.
Bake, covered at 350° F (180° C) for 25 minutes.
Sprinkle top with remaining cheese and bake another 5
minutes. Serve with additional parmesan cheese, if desired.
Makes 6 servings.