1 lb. bag Doritos
1 head lettuce
2 tomatoes
1 onion
1 lb. ground beef
1 lg. bottle Catalina dressing
1 pkg. Cheddar cheese

Slice lettuce, tomatoes and onions as you would put them on a taco. Brown ground beef and drain off fat. Put beef in bottom of bowl, add lettuce, tomatoes, onion and cheese. Crush bag of Doritos and combine with dressing at last minute. When ready to use mix into bowl.