1 lb. or more hamburger meat
1 can Ro-tel tomatoes with pepper
1 can cream of mushroom soup
1 can water
1 pkg. taco mix

Brown hamburger meat, then add the other ingredients and simmer 30-45 minutes. Line casserole with taco Doritos. Pour mixture over top of chips. Place slices of cheese on top and bake long enough to melt cheese.