If you can't find the babies, use small squid instead. Somyeon are Korean thin wheat flour noodles; you can substitute with somen. Gochujang is Korean chilli paste, while gochugaru is Korean ...

Japchae (also spelled "chapchae") is a Korean dish that is based on slippery, resilient sweet potato noodles (sometimes mung bean noodles are used, but they have a more tender texture).