Cut the chicken breast and pork into bite-sized pieces.
Slice the onion and bell pepper thinly.
Make a marinade using soy sauce, minced garlic, sesame oil, pepper, and stevia.
Marinate the prepared meat and vegetables in the marinade for 10 minutes.
Heat olive oil in a pan and stir-fry the marinated ingredients.
Once the meat is cooked, serve on a plate.