2 (10 oz.) pkg. frozen broccoli or same amount fresh
1/2 c. diced onion
2 c. cooked rice
1 c. sliced water chestnuts
1/2 c. diced celery
1 can cream of mushroom soup
4 oz. Cheez Whiz

Mix broccoli, onion, rice, chestnuts and celery. Pour into 8 x 12-inch baking dish which has been greased. Mix soup and cheese; pour over broccoli mix.

Bake at 350°F until hot, about 15 minutes. Do not overcook.