1 head lettuce
1 1/2 c. grated cheese
1 (9 oz.) Western or Catalina dressing
4 tomatoes
1 lb. hamburger
2 c. crushed Doritos
1 pkg. taco seasoning

Brown hamburger. Add tomatoes, cheese, lettuce and taco seasoning. Chill 10 to 15 minutes. Just before serving add Doritos.