Cook and cool your cornbread
Preheat the oven to 350 degrees
Dice your onions and celery
Melt the butter in a skillet and cook the onions and celery until they are soft and set aside
Crumble the corn bread into a large mixing bowl
Add the bag of cornbread stuffing mix
Add poultry seasoning, salt and pepper and stir together
Stir in the chicken broth.
Mix in cooled onions and celery
Beat the eggs well and stir it into the cornbread mixture
If added shredded chicken , add it now . At this point if you feel you need more broth you can add it . You want it somewhat soupy
Pour it into a 9x13 pan sprayed with cooking oil
Cover with foil and cook for 45 minutes
Uncover and bake another 20-30 minutes , until golden brown