This recipe for flank steak stir fry is a delicious and easy way to prepare this cut of meat. Using a food processor to make the marinade is a great way to ensure that all the ingredients are evenly distributed throughout the steak. The marinade is made with soy sauce, ginger, garlic, and other spices, which infuse the steak with a ton of flavor. Once the steak is marinated, it's stir-fried with a variety of vegetables and served over a bed of rice. This dish is perfect for a quick and easy weeknight dinner.