Cook noodles in 3 quarts of water for about 10-12 minutes. Drain. Rinse with cold water. Cook vegetables. Drain thoroughly.
To make sauce, in a saucepan, combine milk, chicken base, all the seasonings, and cornstarch. Cook and stir until thickened. Remove from heat. Add Cheddar cheese and Parmesan cheese. Stir until creamy.
Put a layer of sauce on bottom of 9x13 inch pan, a layer of noodles, then a layer of sauce, layer of vegetables, and Mozzarella cheese. Repeat 3 layers of noodle, 4 layers of sauce, ending with sauce and cheese. Bake at 350 degrees for 25 minutes.
Serves 9.