Strong and Northern - Hendersons RelishFollowing the success of their 2014 cook book, Hendersons Relish's follow up title showcases the spicy Yorkshire sauce in all its glory. Strong and Northern The Hendersons Relish Cook Book is a reminder of what people use Hendos for every day: splashing over their favourite meals, whether thats a proper pie or Friday fish and chips. Hendersons Relish remains an independent family owned business with deep roots and pride in the Sheffield community,