1 c. sour cream
2/3 c. mayonnaise or salad dressing
1 pkg. taco seasoning mix
2 c. shredded lettuce
2 c. tomatoes, chopped
6-8 green onions, chopped
1 can black olives, sliced (optional)
1 c. Cheddar cheese, grated
1 pkg. taco chips (tortilla)

Combine sour cream, mayonnaise, and taco seasoning mix. Spread on a large, shallow serving platter. Layer lettuce, tomatoes, onions, and olives. Sprinkle cheese on top. Serve with taco chips.