In a small bowl, mix mayonnaise, lime juice, cilantro, garlic powder, salt, and pepper to create a lime crema sauce.
3 Spread a thin layer of sauce on the bottom half of each bun.
4 Add shredded chicken.
5 Layer avocado slices, lettuce, and tomato on top.
6 Close the sandwiches and secure with party picks.
7 Slice in halves.