Beef stir-fry is a quick and easy dinner option that is packed with flavor. Thinly sliced beef is stir-fried with a variety of vegetables, such as bell peppers, broccoli, and carrots, in a savory sauce. The sauce is made with soy sauce, garlic, ginger, and a touch of sweetness. Serve it over steamed rice or noodles for a complete meal. This recipe is customizable, allowing you to use your favorite vegetables and adjust the spice level to your liking.