1/2 lb. ground beef
1 pkg. taco flavor Doritos
1 can chicken 'n rice soup
1 lb. cheddar cheese, sliced
1 can cream of mushroom soup
1 lg. onion, chopped
1 lg. pkg. taco seasoning

Brown ground beef and onions, pour off fat. Add seasoning mix, soups and tomatoes. Simmer for 30 minutes. In a 9"x13" pan layer chips, cheese and pour meat mixture over cheese and chips. Bake in oven for 15 minutes or until cheese is melted.