Crumble cornbread and biscuits into a large bowl.
Sauté onion and celery in butter until soft.
Add bread, salt, pepper, sage and eggs. Mix well.
Add just enough chicken broth to moisten. Should be a little soupy.
Bake for 45 minutes to 1 hour at 350°. The last 15 minutes pour some broth from chicken or turkey over dressing.