01 -
In a mixing bowl, blend shredded chicken, mayonnaise, diced celery, diced red onion, and Dijon mustard until fully combined.
02 -
Add salt and pepper to taste, stirring to distribute seasoning evenly throughout the chicken salad.
03 -
Select intact romaine leaves suitable for holding the filling without tearing.
04 -
Place a generous spoonful of chicken salad onto the center of each lettuce leaf, shaping to fit comfortably without overfilling.
05 -
Carefully wrap the lettuce around the filling and serve fresh to maintain crispness and flavor.