Tteokguk (떡국) or sliced rice cake soup is a traditional Korean dish eaten during the celebration of the Korean New Year. The dish consists of the broth/soup (guk) with thinly sliced rice cakes (tteok). It is tradition to eat tteokguk on New Year's Day because it is believed to grant the consumer good luck for the year and gain a year of age. It is usually garnished with thin julienned cooked..