Cut the pork into bite-sized pieces.
Slice the onion and bell pepper into thin strips.
Heat olive oil in a pan and sauté the onion and bell pepper.
Add the pork to the pan and stir-fry over high heat.
Prepare the sauce by mixing soy sauce, red chili powder, minced garlic, and erythritol.
Add the sauce to the pan and stir-fry evenly until well mixed.
Finish by drizzling sesame oil and sprinkling sesame seeds on top.