stir chicken, potatoes, carrots and celery in 6 qt slow cooker.

Stir soup, water, basil and black pepper in bowl. Pour soup mixture over chicken and vegetables.

Cover and cook on low for 7-8 hours.

Stir baking mix and milk in bowl. Drop batter by spoonfuls into chicken mixture. Increase temp to high. Tilt lid to vent and cook for 30 minutes or until dumplings are cooked in the center.