[simulate]

Not lettuce, but lutefisk is a traditional Norwegian dish made of whitefish and lye, the active ingredient in Drano. https://en.m.wikipedia.org/wiki/Lutefisk

[legulere]

> To make the fish edible, a final treatment of yet another four to six days of soaking in cold water (also changed daily) is needed.

[tripzilch]

And also, just because it's traditional, doesn't mean it's good for you :)