A royal-style stir-fried japchae where the glass noodles are not fully boiled but stir-fried in a pan with soy sauce seasoning, coating them so they stay chewy even after a long time.

Pre-boiling the soy sauce seasoning to develop deep flavor, and immediately coating boiled glass noodles with sesame oil to maintain chewiness even days later—this is the secret recipe for japchae that never burns.