Tator Tot Casserole

1 pkg tator tots
1 lb. hamburger
1 med. Onion
Salt and pepper
2 cans cream of mushroom soup
1 c. milk

Brown hamburger and onion.
Add soup and milk.
Bring to a slight boil.
Place in casserole dish.
Place tator tots over the top.
Bake at 350 for one hour.