1 sm. bag Doritos
1 lb. ground beef
1 medium onion
1 lb. Cheddar cheese, grated
1 can cream of mushroom soup
1 can cream of celery soup
1 can Rotel tomatoes with peppers
1 can water

Crush chips in bottom of greased baking dish. Brown ground beef; drain and spoon into dish. Chop up onion over beef; add half of grated cheese. Add the two soups, Rotel, and water. Take spatula and run through to mix. Grate rest of cheese on top and bake at 450 degrees for 30 minutes.