Mongolian Beef Stir-Fry is a healthy and delicious recipe that combines tender strips of beef with fresh vegetables in a savory sauce. The beef is marinated in a mixture of soy sauce, ginger, garlic, and brown sugar, which gives it a rich and flavorful taste. The vegetables, such as bell peppers, broccoli, and carrots, add color, texture, and nutrients to the dish. This stir-fry is quick and easy to make, making it a perfect option for a weeknight dinner. Serve it over steamed rice or noodles for a complete and satisfying meal.