1 lb. ground beef
1 pkg. taco seasoning mix
1 (8 oz.) pkg. grated Cheddar cheese
1 head lettuce, shredded
1 (8 oz.) bottle Catalina dressing
2 c. tomatoes, diced
1 bag Doritos or taco chips
Sliced black olives (optional)
Onions (optional)

Brown beef and taco mix as directed. Mix with lettuce, tomatoes, dressing, and cheese. Chill at least 1 hour. Before serving, crush chips and blend in salad.