Cut Chicken into bite size pieces and Salt, Pepper and season to taste.
In a 12" Dutch oven with the melted Butter, brown diced Chicken, Onion and Celery over 12-15 charcoal briquettes.
Stir in Mushroom soup and Worcestershire Sauce and simmer covered for 20 minutes over bottom heat only.
In a separate bowl, prepare stuffing mix according to package directions and spread on top of Chicken and pat down. (Do not mix in)
Bake for 30 minutes more with 6 coals on the bottom and 10 - 12 coals on top.