1 head lettuce
1 lb. ground beef
Taco seasoning mix
2 med. tomatoes, chopped
4 oz. grated cheddar cheese
8 oz. bottle Catalina salad dressing
Crumbled Doritos

Prepare ground beef according to taco seasoning mix package. Combine meat with torn lettuce, tomatoes and cheese. Just before serving, add the Catalina dressing and the crumbled Doritos (to taste).