1. Combine lettuce, tomatoes, avocado, green onions, kidney beans, cheese, and black olives, if desired, in a large serving bowl and toss to blend.
  2. In a 2 cup measure, blend salsa with sour cream until fairly smooth. Drizzle over the salad ingredients and toss to blend well.
  3. Sprinkle the chip pieces over the tops and serve!
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