Slice the beef thinly.
Julienne the onion, carrot, and green onion.
Mix soy sauce, allulose syrup, minced garlic, black pepper, and sesame oil to make the marinade.
Marinate the beef and vegetables in the marinade for 10 minutes.
Heat cooking oil in a pan and stir-fry the marinated ingredients.
Once cooked, sprinkle sesame seeds on top to finish.