Step 1

In a small bowl, stir together the Greek yogurt, mayonnaise, Dijon mustard, lemon juice, sea salt, pepper, green onions, and basil until combined. Set the dressing aside.

Step 2

Add the cooked diced chicken to a large bowl along with the celery and grapes.

Step 3

Pour the dressing over the chicken mixture and stir to combine. Taste to adjust the salt and refrigerate for 1-2 hours to allow the flavors to develop.

Step 4

Or serve the chicken salad right away with the chopped walnuts or nut of choice.