After making cornbread, let it cool then crumble it. Place the cornbread in mixing bowl with bread or herb seasoned cube stuffing. Toss to combine.
Preheat oven to 350 degrees. Coat 9x13 pan with cooking spray.
Melt 4 tablespoons of butter in a large pan over medium heat. Add the onion and celery and cook for 6-8 minutes or until softened. Season the vegetables with salt and pepper.
Place vegetables in the bowl with cornbread mixtue.
Melt the remaining butter and pour into the mixture. Add chicken broth, eggs and sage to mixture and stir.
Transfer to prepared pan for cooking. Bake for 45 minutes or until dressing is browned and cooked through.