Julienne the cucumber.
Julienne the carrot.
Thinly slice the cabbage.
Boil the thin wheat noodles (somyeon) and rinse them in cold water.
Mix gochujang, vinegar, sugar, soy sauce, minced garlic, and sesame oil to make the sauce.
Add the vegetables and sauce to the boiled noodles and mix well.
Serve in a bowl, topped with half a boiled egg.