Christmas offerings sold as ‘meal deals’ at Tesco, Asda, and Waitrose can have up to 775 calories

EXCLUSIVE: Christmas dinner sandwiches, pigs in blankets on rolls and brie and cranberry toasties are just some of the festive options available at UK shops, such as Tesco, Waitrose and Pret.EXCLUSIVE: Christmas dinner sandwiches, pigs in blankets on rolls and brie and cranberry toasties are just some of the festive options available at UK shops, such as Tesco, Waitrose and Pret.Read MoreHealth News | Mail Online