1 can cream of mushroom soup
1 can tuna, drained (6 1/2 or 7 oz.)
1 c. diced celery
1/4 c. chopped onion
1/4 c. water
2 c. chow mein noodles

In casserole dish mix all ingredients except 1 cup of chow mein noodles. After mixing, sprinkle 1 cup of noodles on top of casserole. Bake in preheated 375 degree oven for 15 minutes or until heated through.