1 1/2 lb. hamburger
1/2 c. finely chopped onion
2 cans cream of celery soup
2 c. shredded sharp Cheddar cheese
2 lb. bag tater tots

Brown hamburger and onions. Drain. Mix hamburger, soup and cheese in 9 x 9 inch casserole dish. Cover top with tater tots. Bake at 350 degrees for 1 hour.