Clean the squid thoroughly and cut it into bite-sized pieces.
Julienne vegetables such as onion, carrot, and bell pepper.
Heat cooking oil in a pan and stir-fry the squid over high heat.
When the squid is about halfway cooked, add the vegetables and stir-fry together.
Boil the noodles (such as glass noodles or rice noodles), then drain the water.
Add the boiled noodles to the stir-fried squid and vegetables, pour in the sauce (soy sauce, gochujang, sugar, etc.), and stir-fry.
Once the sauce is well absorbed, finish by drizzling sesame oil and sprinkling sesame seeds.