Par boil 2 bunches broccoli and 4 chicken breasts. Bone and chunk chicken. Combine 2 cans cream of mushroom soup and 1 1/4 cup mayonnaise. Layer chicken and broccoli alternately and pour soup mixture over top. Sprinkle with Parmesan cheese and bake at 350 degrees for 30 to 45 minutes in 9 x 13 x 2 inch pan.