1 med. sized bag of tater tots
1 pkg. grated cheddar cheese
1 sm. onion
1 can cream of mushroom soup
1 to 2 lbs. hamburger

Brown hamburger with onion, drain. Add soup. Layer in casserole dish: tator tots, meat, cheese. Repeat as many times as needed. Top with tater tots and cheese. Bake at 350 degrees for 30 to 40 minutes.