1 lb. hamburger
1/2 onion, chopped
1 can chili & beans
1 can cream of mushroom soup
1 pkg. Doritos
8 oz. grated cheddar cheese

Brown hamburger and onions. Add chili and cream of mushroom soup. Heat. Layer Doritos, then meat mixture, top with cheese. Bake at 350 degrees for 25 minutes. Cover with foil to bake.