Cuisine of SwedenS.O.S. EnglishFacts About S.O.S.S.O.S.S.O.S. is a traditional Swedish appetizer. It stands for "smör, ost och sill", which describes its main ingredients: butter, cheese and herring. It is usually eaten with schnapps Akvavit.Based on: WikipediaWhere to TryS.O.S. - related cities and regionsSkåne Malmö HelsingborgStockholm StockholmVästra Götaland Gothenburg