Clean the squid thoroughly and cut it into bite-sized pieces.
Julienne the onion, green onion, and carrot.
Heat cooking oil in a pan and stir-fry the green onion first to bring out its aroma.
Add the squid and vegetables, and stir-fry quickly over high heat.
Season with soy sauce, minced garlic, and red pepper powder, mixing well.
When all the ingredients are cooked through, finish by sprinkling sesame seeds on top.