Steps
1. In a small bowl, combine diced mango, red onion, cilantro, lime juice, salt, and pepper to make the mango salsa.
2. Heat olive oil in a pan over medium heat and lightly warm the shredded chicken; season with salt and pepper.
3. Lay the lettuce leaves flat on a plate.
4. Divide the warm chicken evenly among the lettuce leaves.
5. Top each with diced avocado and a spoonful of mango salsa.
6. Fold the lettuce leaves gently to form wraps and serve immediately.