Stir-Fried Beef with Onion is a popular Asian dish made by combining thinly sliced beef with sautéed onions and a variety of spices and sauces. The dish is cooked quickly over high heat, resulting in tender and flavorful beef that is perfect for serving over rice or noodles. It is a simple yet delicious meal that is easy to prepare and can be customized to suit individual tastes. The combination of tender beef, caramelized onions, and savory sauces make this dish a favorite among many food enthusiasts.