1 head lettuce, torn into bite size
1 lb. hamburger, browned and cooled
1 sm. onion, chopped
3 tomatoes, chopped
1 (12 oz.) Pkg. Cheddar cheese, grated
1 pkg. taco flavored dorito chips, crumbled
1 bottle Hidden Valley Ranch salad dressing

Add all the ingredients except the chips and dressing. Add chips and dressing just before serving.