M&S Wild Cornish Sardines Wild Cornish skin on and bone in sardines with a delicate, oily flavour and meaty texture. Responsibly sourced off the Cornish coast by a traditional small boat fishery, these sardines pan fry in four minutes. Our M&S seafood products have been sourced from fisheries and fish farms in a way that minimises their ethical and environment impact, while guaranteeing you the highest quality, delicious seafood you’d expect from M&S.