Pork neck with fat trimmed
Cut the pork neck into bite-sized pieces
Slice the onion and green onion into thin strips
Make a seasoning sauce with gochujang (Korean chili paste), red pepper powder, soy sauce, minced garlic, sugar, and pepper
Add the seasoning sauce to the pork neck and mix well, then marinate for 10 minutes
Heat cooking oil in a pan and stir-fry the pork neck
Add onion and green onion, and stir-fry together
Turn off the heat when all ingredients are cooked