Step 1

Preheat oven to 450℉ and line baking sheet with parchment paper.

Step 2

Bake chicken breast until cooked throughout, about 15 minutes.

Step 3

Remove chicken from oven and allow to cool. After completely cooled, cut chicken into bite-sized pieces.

Step 4

In a large bowl, add chicken, celery, mayo, brown mustard, and salt. Toss until chicken is fully coated and ingredients are well-combined.

Step 5

Cover bowl with lid or plastic wrap and refrigerate until chilled, about 1-2 hours.

Step 6

When ready to serve, add fresh dill and chopped pecans and lightly toss. Serve chilled and enjoy.