Norwegian influences in the state include lefse, lutefisk, krumkake, and rosettes. Fargo, North Dakota hosts the popular Lutefisk and Lefse Festival in August each year. This group has unique foods such as "lefse" and "lutefisk". Both stockfish and salt cod can be made into lutefisk. Another option is to parboil lutefisk, wrapped in cheesecloth and gently boiled until tender. Organizations such as the Sons of Norway hold annual lutefisk dinners. Many people also eat "lutefisk" or fresh, poached cod. Lutefisk uses lye in its preparation, as do some olive recipes. St. Olaf College in Northfield, Minnesota serves lutefisk during their Christmas Festival concerts. Lutefisk is prepared as a fish dish of several Nordic countries. Lutefisk can also be boiled directly in a pan of water. A small segment of the Scandinavian population attend a traditional lutefisk dinner to celebrate Christmas. Lutefisk may also be cooked in a microwave oven. The lutefisk is then ready to be cooked. For it to become edible, Lutefisk must again be soaked in cold water.