Steps
1. In a bowl, combine shredded chicken, mayonnaise, diced celery, diced apple, and lemon juice.
2. Mix well until all ingredients are evenly coated.
3. Season with salt and pepper to taste.
4. Lay the tortilla wrap flat and place lettuce leaves in the center.
5. Spoon the chicken salad mixture over the lettuce.
6. Roll the wrap tightly, folding in the sides as you go.
7. Slice in half and serve immediately or refrigerate for later.