There is no need to precook the pasta or the broccoli for this quick recipe; they both cook in the cheesy sauce as the casserole bakes.
Broccoli is an excellent source of vitamins A and C and additional bioflavenoids These are all forms of antioxidants that promote health and may reduce the risk of chronic diseases.
For 2 to 2 1/2 cups of cubed chicken breast, cook 2 whole chicken breasts (1 1/2 pounds) or 3 boneless, skinless chicken breast halves (3/4 pound). Cook the chicken just before you use it, or prepare it ahead and refrigerate it, tightly wrapped, for up to two days. Cooked chicken can be frozen for up to six months.