1 (10 1/2 oz.) can cream of chicken soup
1 (6 oz.) can chunk-style Tuna, drained
1/4 cup cashew nuts, halves & pieces
1/4 cup minced onion
1/4 cup water
1/4 cup celery
1 (4 oz.) can mushrooms, drained & sliced
1 (3 oz.) can chow mein noodles (reserve 1/2 cup)

Combine all ingredients with the exception of the 1/2 cup noodles. Put mixture in casserole, sprinkle 1/2 cup noodles over top. Bake at 325 F for 25-30 minutes.