Corned beef

From Memory Alpha, the free Star Trek reference

Corned beef is beef that has been pickled or cured in brine.

When Keiko O'Brien began introducing her husband to Japanese cuisine, Chief Miles O'Brien asked if she had never had corned beef and eggs for breakfast, something that Keiko seemed to find a silly question. (TNG: "The Wounded")

Corned beef hash contained corned beef. (DS9: "The Assignment")