Pre-heat oven to 375°F.

defrost chicken breasts and season with olive oil, salt, pepper, and Italian seasoning.

bake chicken for 30 minutes and turn every 10 minutes.

let the chicken cool and cube into small pieces.

chop up celery and place in a bowl. add in cooled chicken.

add in lemon juice, dill, and Mayo. mix until incorporated.

let it set in refrigerator to set and serve in your favorite bread.