Clean and cut the squid into bite-size pieces.
Slice vegetables such as onion, green onion, and carrot.
In a bowl, mix gochujang (Korean chili paste), soy sauce, sugar, minced garlic, and chili powder to make the sauce.
Heat cooking oil in a pan, then stir-fry the squid and vegetables.
When the squid is halfway cooked, add the sauce and stir-fry quickly.
Finish by drizzling sesame oil and sprinkling sesame seeds.