A restaurant-style japchae where the glass noodles are blanched, the ingredients are stir-fried, and everything is tossed with oil and seasoning so the noodles stay soft and never get soggy even after sitting.
Source: YouTubeAha Bujang_JOHNCOOK

A simple, oil-free, and refreshing japchae made by steaming noodles and ingredients together in a steamer basket without stir-frying each ingredient separately.