Cut the pork into bite-sized pieces.
Slice the onion, green onion, and chili pepper.
In a bowl, mix gochujang, soy sauce, minced garlic, red pepper powder, allulose, and sesame oil to make the sauce.
Add the sauce to the pork and vegetables and mix well.
Heat oil in a pan and stir-fry the ingredients.
When the pork is cooked, place it on a plate.