For a quick and easy weeknight meal, try making Mongolian Beef Stir-Fry. This recipe involves quickly stir-frying strips of beef with vegetables like bell peppers, onions, and snap peas. The beef is marinated in a flavorful sauce and then cooked in a hot wok until it is tender and coated in the delicious sauce. This Mongolian Beef Stir-Fry is a versatile dish that can be served over rice, noodles, or even wrapped in lettuce cups for a lighter option.