Potato pancake Food derived from jeon, a type of Korean food. It is a local food from regions such as Gangwon-do. It is also called potatojeok (gamjae) in the Yeongdong dialect and potato jim in the cultural language, which is the language norm of North Korea. Generally, jeon is made by kneading flour (or pancake) and eggs, but potato jeon is made by kneading them with potatoes. Grate the potato..