lutefisk
noun
lute·fisk ˈlüt-ˌfisk 
ˈlü-tə-
ˈlü-tə- : dried codfish that has been soaked in a water and lye solution before cooking
Example Sentences
Recent Examples on the Web That applies to much of the native fare, too: intense rye bread, piquant pickled herring, and the ever-polarizing lutefisk, which is lye-treated whitefish. 
Liza Weisstuch, Washington Post, 22 May 2020 Even the gelatinous pleasures of Scandinavian lutefisk or Chinese century eggs have their devotees. Nicola Twilley, Wired, 1 Apr. 2020 Hjelle has never gone ice fishing and will not eat lutefisk, two Minnesota traditions. Henry Schulman, SFChronicle.com, 29 Feb. 2020 The homegrown concoction is a sequel to Yellow Tree’s original ode to lutefisk and lizards, true love and tater tots and small-town Minnesota. Dominic P. Papatola, Twin Cities, 24 Nov. 2019 Geneva's Swedish Days is back with all the returning favorites, from lutefisk to the craft brew tent, from June 20-25. Annie Alleman, Elgin Courier-News, 8 June 2017
Liza Weisstuch, Washington Post, 22 May 2020 Even the gelatinous pleasures of Scandinavian lutefisk or Chinese century eggs have their devotees. Nicola Twilley, Wired, 1 Apr. 2020 Hjelle has never gone ice fishing and will not eat lutefisk, two Minnesota traditions. Henry Schulman, SFChronicle.com, 29 Feb. 2020 The homegrown concoction is a sequel to Yellow Tree’s original ode to lutefisk and lizards, true love and tater tots and small-town Minnesota. Dominic P. Papatola, Twin Cities, 24 Nov. 2019 Geneva's Swedish Days is back with all the returning favorites, from lutefisk to the craft brew tent, from June 20-25. Annie Alleman, Elgin Courier-News, 8 June 2017 Word History
Etymology
Norwegian, from lute to wash in lye solution + fisk fish
First Known Use
1924, in the meaning defined above