1 lb. hamburger
1 sm. onion
1 1/2 c. chopped celery
1/2 c. long grain rice
1 can cream of mushroom soup
2 soup cans water
4 tbsp. soy sauce
1 sm. can mushrooms (optional)

Saute hamburger and onions until hamburger is crumbly. Put in casserole pan or dish with remaining ingredients. Stir together well. Bake at 350 degrees for 1 1/2 hours, stirring often.