Beef stir-fry is a quick and easy dinner recipe that is packed with flavor. It features thinly sliced beef cooked with a variety of vegetables in a savory sauce. The beef is marinated in a mixture of soy sauce, garlic, ginger, and sesame oil, which adds a delicious umami flavor to the dish. The vegetables can be customized to your liking, but popular choices include bell peppers, broccoli, carrots, and snap peas. The sauce is made with a combination of soy sauce, oyster sauce, and cornstarch, creating a thick and glossy coating for the beef and vegetables. Serve this beef stir-fry over a bed of steamed rice for a complete and satisfying meal.