1 to 1 1/2 lb. hamburger
1 head lettuce
1 1/2 c. grated Cheddar cheese
2 med. tomatoes, diced
1 med. onion, diced
1 pkg. taco mix
8 oz. jar Thousand Island dressing
1 lg. pkg. cheese Doritos

Brown hamburger, drain. Mix in taco mix as directed. Combine in large bowl the lettuce, cheese, tomatoes, onions, crushed Doritos. Toss Doritos and meat with rest immediately before serving. (Is not good, if served cold.)