Steps
1. In a bowl, combine the shredded chicken, Greek yogurt, Dijon mustard, chopped celery, red onion, and lemon juice.
2. Mix well until all ingredients are evenly incorporated. Season with salt and pepper to taste.
3. Rinse and pat dry the lettuce leaf.
4. Drizzle olive oil lightly over the lettuce leaf.
5. Spoon the chicken salad mixture onto the center of the lettuce leaf.
6. Optionally, add sliced avocado or cherry tomatoes on top for extra flavor and nutrition.
7. Fold the lettuce leaf around the filling to create a wrap.
8. Serve immediately and enjoy your healthy lettuce wrap chicken salad.