Boil chicken, boil broccoli, let cool. Break up chicken into small pieces. Chop broccoli into small pieces.
Mix Cheez Whiz and cream of chicken and mushroom soup in large bowl. Add chopped broccoli; mix. Add 1/3 of chicken broth to mixture and stir.
Boil rice. Place one and 1/2 bags of rice on bottom of casserole dish. Place chicken next then the rest of the rice. Pour remaining chicken broth over chicken and rice. Then add the Cheez Whiz mixture on top.
Bake at 350°F for 30 minutes or until outsides of Cheez Whiz is light brown. Let cool and enjoy.