Wash bean sprouts and pork thoroughly.
Cut the pork into bite-sized pieces.
Slice onion and green onion.
Heat oil in a pan and stir-fry the pork.
When the pork is cooked, add the onion and green onion and stir-fry.
Add gochujang (Korean chili paste), soy sauce, minced garlic, and red pepper powder for seasoning.
Add bean sprouts and stir-fry until they soften.
Adjust the taste and transfer to a plate.