Peanut Chilli Beef with Choy Sum is a delicious and flavorful stir-fry dish that combines tender beef, crunchy choy sum, and a spicy peanut sauce. The beef is marinated in a mixture of soy sauce, ginger, and garlic, then stir-fried until browned and cooked through. The choy sum is quickly blanched and added to the stir-fry along with the peanut sauce, creating a perfect balance of flavors. This dish is easy to make and can be served with steamed rice for a satisfying meal.