1 c. rice or 1 sm. pkg. minute rice
1 c. chopped celery
1 c. chopped onion
1 (12 oz.) pkg. frozen broccoli
1/4 c. butter
1 (8 oz.) jar Cheez Whiz
1 can cream of chicken soup
1 can mushrooms, sliced; optional

Cook rice; saute onion and celery in butter; add cheese, soup, and broccoli with rice and onion/celery butter. Put in greased 9 x 13 casserole pan. Bake at 350 degrees for 30 minutes.