1 lb. ground beef
1 med. onion, chopped
1 head lettuce, shredded
4 tomatoes
1 (1 lb.) bag taco cheese
1 lg. bag Nacho Cheese Doritos, crushed
Catalina French salad dressing

Brown ground beef with onion. Let cool; drain. Add lettuce, tomatoes and taco cheese. When ready to eat, add Doritos and Catalina French dressing.

Quantities can be adjusted to suit your taste.