Shred the oyster mushrooms and julienne the carrot, zucchini, and onion.

Lightly stir-fry each ingredient in a pan with a small amount of oil, then drain excess oil on paper towels.

Mix the soy sauce, sesame oil, syrup, and sesame seeds to prepare the sauce.

Boil the somyeon noodles in a pot of water until cooked.

Rinse the cooked noodles under cold running water and drain thoroughly.

Mix the noodles with the prepared soy sauce mixture.