Brocoli & Rice Casserole

Ingredients

16 ounces broccoli, chopped (frozen)
3 cups cooked rice
1 medium jar cheese whiz
1/4 cup onion, chopped
2 chicken breasts, boiled and chopped (optional)
1 can cream of mushroom soup

Instructions

Cook broccoli while preparing rice and chicken.
Mix all ingredients in very large bowl.
Salt and pepper to taste.
Pour into greased 9 x 13.
Bake for 30 minutes at 350.