Season the steak with salt and pepper.
Place a skillet over very high heat. Add the oil and cook the beef until golden stirring often for about 7 minutes.
Add the garlic, onion, tomato, pepper, and stir for 2 minutes. Add the soy sauce and vinegar and stir again. Season with salt and pepper. Add the fresh cilantro.
Assemble: Place the lettuce and Lomo Saltado filling on the Flatout Foldit® Artisan Flatbread. Cover with the top half of the bread and serve.