I read this article which claims that pre-packed sandwiches can contain as much salt as seven bags of crisps, that’s more than half the recommended daily amount. The saltiest sandwich was Asda’s Special Yorkshire Ham and Wensleydale which contained 65% of the recommended daily salt intake. Personally I don’t eat a great deal of pre-packed sandwiches, mainly because they usually contain things I don’t like. This article has reinforced my belief that its best to make your sandwiches at home because you know exactly what goes into it and its generally fresher than the pre-packed alternative.
