Take a large saucepan. Add butter and water to it and bring it to a boil. Remove the pan from the flame and add the stuffing mix. Cover it and set it aside.
Now, take a large skillet and cook bacon in it until it turns crispy. Drain it over a paper towel. Discard the bacon drippings except for three tablespoons of it.
Cook celery in this dripping over a medium flame for 5 minutes.
Add onions to it and cook until they get tender. Make sure you stir them frequently.
To this, add cornbread, pecans, salt, pepper, and bacon. Mix them all well.
Transfer this mixture to a greased casserole of 2 quarts or 9x2 inches. Cover it and bake at 325oC for 45 minutes.