For a lighter and low-carb option, try these Mongolian Beef Lettuce Wraps. The beef is thinly sliced using a food processor and then stir-fried with onions and garlic. The sauce is a combination of soy sauce, hoisin sauce, and brown sugar, giving the dish a rich and savory flavor. Serve the beef in lettuce leaves and top with shredded carrots and green onions for a refreshing and delicious meal.