1: Cut the steak into strips and prepare the vegetables.
2: Heat oil in a pan and add the steak, cooking until browned.
3: Add the onion, bell pepper, garlic, ginger, and cook until softened.
4: Incorporate the mushrooms, carrot, celery, and scallions, and stir-fry.
5: Add the coconut aminos or soy sauce, cilantro, salt, pepper, and monk fruit sweetener, mixing well.
6: Cook until everything is combined and the vegetables are tender. Serve hot.