Chop celery and onion separately.
Saute celery till soft in butter (add butter as needed) remove when soft, put in large mixing bowl.
Saute onion until translucent, not brown, remove and add to a large mixing bowl.
Cut Italian Bread into 2” pieces. Dunk in water turn over and dunk again and squeeze out as much water as possible, add to mixing bowl.
Combine all ingredients together with clean hands until mixed thoroughly. Add eggs, salt, and thyme. Crumble Ritz crackers and add to mixing bowl.
Place into a baking dish and cook at 350 degrees for 1 hour. While cooking, add drippings from the turkey and stir every half hour.