1 lb. hamburger
1/2 c. diced onions
1 can green beans, drained
1 can cream of mushroom soup, undiluted
1 sm. box tator tots

Brown hamburger and onion in skillet. Drain. Place in baking dish. Add beans and mushroom soup. Top with tator tots. Bake at 350 degrees for 30 to 40 minutes.