Soak japchae rice cakes in cold water for 30 minutes, then marinate in soy sauce to prevent them from softening over time. This premium japchae guk features a rich flavor from beef toppings stir-fried until crisp and a store-bought galbi-tang broth base.

Chef Jung Ji-sun's clean and flavorful beef tteokguk, where the meat is sautéed to enhance its savory aroma and a pinch of sugar adds depth of flavor.