Preheat oven to 350

Rub the olive oil all over the chicken pieces and sprinkle with salt and pepper

Bake for 45 to 55 minutes, or until internal temp reaches 165

Remove the chicken from the oven and let cool,roughly chop

In a large bowl, mix together the chicken, grapes, almonds, celery, scallions, dill and parsley

In a small bowl, mix together the mayo, lemon, mustard, salt and pepper

Add the mayo mixture to the chicken mixture and stir until well mixed

Cover with plastic wrap and refrigerate for at least an hour