2 c. diced, cooked chicken
1 1/2 c. broccoli, cooked in chicken broth & drain
1 can cream of mushroom or cream of chicken soup
1/4 c. onion
1/4 c. celery
1/2 c. grated (med.) cheddar cheese
1 can sliced mushrooms (opt.)

Chop and saute onion and celery in butter. Combine above ingredients in a 2 quart casserole. Bake in 350 degree oven for 30 minutes. Serves 6.