01 -
If not already cooked, cook the chicken breast using poaching, grilling, or baking methods, then shred it.
02 -
In a medium bowl, whisk together Greek yogurt, Dijon mustard, lemon juice, olive oil, salt, and pepper until smooth.
03 -
In a large mixing bowl, combine the shredded chicken, celery, red onion, and apple. Pour the dressing over the top and toss gently until well coated.
04 -
Stir in chopped parsley. Cover and refrigerate for at least 30 minutes to let the flavors blend.