pickled herring has etched its own niche in Swedish cuisine, and it now occupies an irreplaceable role on smorgasbords and heartier dishes alike. Read more: 7 Must-Have Canned Foods And 7 To Avoid ...

Herring is perhaps best cooked in white wine or light vinegar - the acid flavours suit its rich flesh. Herring roe is also full of flavour and worth keeping. FAQs about BBC Food ...