Preheat oven to 375°F (190°C) and grease a 2-quart baking dish.
Combine cornbread and white bread cubes in a large bowl.
Stir in chicken, onion, and celery until evenly distributed.
Add eggs, chicken broth, soup, melted butter, and seasonings. Mix gently until moistened.
Pour into the baking dish, spreading evenly.
Bake uncovered for 40–45 minutes until golden and set.
Let rest 10 minutes before serving.
