Prep Time: 15
Cook Time: None
Serves: Serves: 8
Layer lettuce, chicken, tomato, olives and onions in deep 3 or 4-quart glass dish with straight sides; set aside.
Pit and peel avocados. Puree until smooth. Add yogurt, lime juice, garlic, chili powder, salt, cumin and hot pepper sauce; mix well. Spread over onion layer. Top with cheese. Cover and chill 2 hours or longer. Serve with tortilla chips, if desired.