1In small bowl, mix all dipping sauce ingredients; set aside. In another small bowl, mix jicama with 1 teaspoon of the lime juice. In third small bowl, mix avocado with remaining teaspoon lime juice. Heat taco sauce with ground beef in microwave as directed on container.
2On large serving platter, layer crushed chips, warm taco sauce with ground beef, jicama, avocado, onions, olives and cheese. Sprinkle cilantro over top. On large plate, arrange lettuce leaves.
3To serve, spoon about 1/3 cup layered fillings onto each lettuce leaf; wrap lettuce around filling. Serve with dipping sauce.