AlegsaOnline.com Home Food Tteokguk Tteokguk Author: Leandro Alegsa Creation date: November 13, 2022 simple.wikipedia.org · CC BY-SA 2.0 Tteokguk is a traditional food of Korea. It is eaten on January 1 to celebrate Seollal, the Korean New Year. Tteokguk is a soup made from tteok ( a sweet Korean rice cake), sliced cooked eggs, ground meat, mandu, leek, and onion.