Chow Mein Dinner

1 1/2 Pounds Hamburger
2 Medium Onions, Chopped
1 Can Cream of Mushroom Soup
1 Can Cream of Chicken Soup
1 Tablespoon Soy Sauce
1 1/2 Cups Warm Water
1/2 Cup Uncooked Non-Instant Rice
Chow Mein Noodles

Brown hamburger with onions. Drain off fat. Add cream of mushroom soup, cream of chicken soup, soy sauce, water, and rice. Put in a large casserole dish. Cover with aluminum foil. Bake at 350 for 30 minutes. Uncover and cook another 30 minutes. Take from oven and sprinkle with Chow Mein noodles. Return and bake uncovered another 15 minutes.