From the dregs of Viking feasts, to the finest restaurants in Copenhagen, Sweden and Denmark have evolved a totally unique cuisine. Roving chef Merilees Parker travels to Scandinavia to find out if there's more on the menu than smorgasbord and smelly fish. In Sweden she enjoys the Midsummer festival, tries some aquavit and samples some sausages. Across the border she tries Danish pastry, tours the Carlsberg factory and watches herring being fermented...