1 can tomato soup
1 can cream of celery soup
1 can cheese soup
1 can Rotel tomatoes
1 (10 oz.) pkg. cheddar cheese, grated
1 bag Doritos
1 med. onion, chopped
2 lbs. ground beef

Brown meat and onion, drain. Add the three soups and tomatoes. Layer in dish starting with Doritos, then meat mixture with cheese on top. Cover and heat only until cheese melts.