Cut the sliced beef brisket and enoki mushrooms into bite-sized pieces.
Stir-fry the beef brisket in a pan. When it starts to release oil, add the enoki mushrooms and stir-fry together.
Season with salt and pepper.
Place the stir-fried beef brisket and enoki mushrooms on a tortilla.
Add vegetables and sauce to your liking, roll up the tortilla, and serve.