Yak-ja is a Ferengi food.
History and specificsEdit
Gronn wanted to try yak-ja when he visited Ferenginar with Nog. Nog took him to a restaurant run by Rableg to eat a dish of yak-ja. (DS9 - Celebrity Series comic: "The Rules of Diplomacy")
In the year 2386, Anatoly Finch prepared yak-ja for Nog. (DS9 novel: Force and Motion)