1/4 lb. egg noodles, cooked
1 can cream of mushroom soup
1 tbsp. onion
2 tsp. mustard
1 c. sour cream
3/4 lb. cubed ham
1/4 c. chow mein noodles

Heat soup thoroughly, add onion, sour cream and mustard. Grease 1 1/2 quart casserole. Layer noodles, ham and sauce. Repeat. Sprinkle with chow mein noodles. Bake at 325 degrees for 30 minutes.