Julienne cucumber and carrot.
Boil the noodles in boiling water, then rinse with cold water and drain well.
Mix perilla oil, soy sauce, chili powder, minced garlic, sesame seeds, sugar, and vinegar to make the sauce.
Add the sauce to the cooked noodles and mix well.
Top with julienned cucumber and carrot, and grilled mayo for a smoky flavor.
Drizzle a bit more perilla oil and garnish to finish.