Thinly slice the pork.
Slice the onion, green onion, and garlic.
In a bowl, mix gochugaru (Korean chili flakes), soy sauce, allulose powder, minced garlic, sesame oil, and pepper to make the sauce.
Add the sauce to the pork and mix well.
Heat a pan and stir-fry the pork.
Add the vegetables and stir-fry together.