Preheat oven to 350° F. Combine chicken, soup, and 1 cup of cheese in a small mixing bowl. Mix thoroughly and gently stir in peas and salt and pepper.
Prepare egg noodles as directed on package. Drain and place in large mixing bowl. Stir in chicken mixture and milk until completely mixed-in.
Prepare a 9" x 11" casserole dish with a non-stick spray. Evenly distribute noodles mixture in pan. Evenly sprinkle remaining cheese on top of casserole, then top evenly with bread crumb and optional parsley.
Place in oven and bake for 30 minutes or until golden brown. Serve hot.