Slice the beef thinly.
Cut the onion, carrot, and green onion into bite-sized pieces.
Mix soy sauce, erythritol, minced garlic, and sesame oil to make the marinade.
Marinate the beef and vegetables in the sauce for 10 minutes.
Heat cooking oil in a pan and stir-fry the marinated ingredients.
Once cooked, turn off the heat and sprinkle with sesame seeds.