Cut pork and kimchi into bite-sized pieces.
Heat cooking oil in a pan and stir-fry the pork.
When the pork starts to cook, add the kimchi and stir-fry together.
Add red pepper powder, soy sauce, and minced garlic, then continue to stir-fry.
Add onion and green onion, stir-frying until they soften.
Finish by adding sesame oil and roasted sesame seeds.