M&S Collection Pil Pil Prawn Cocktail A luxurious chilli, garlic and paprika cocktail sauce with a combination of meaty Honduran king prawns and sweet Atlantic prawns. Ready to eat. Welcome to Collection from M&S, where exceptional quality and intricate attention to detail makes for something truly special. 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.