 In Minnesota and Wisconsin, this method (seasoned with allspice) is common among Swedish-Americans, while Norwegian-Americans often prefer to eat it unseasoned with melted butter or cream sauce.Lutefisk as a Christmas season meal has gained attention in Norway over the past 20 years.The Norwegian Seafood Export Council indicated sales of lutefisk to restaurants and catering companies in Norway increased by 72% between 2005 and 2008.