Dan Dan Noodles are a classic Sichuan dish that consists of noodles served with a spiced meat and vegetable sauce, usually made with chili oil, soy sauce, and sesame paste. The dish is usually topped with scallions and peanuts and is known for its spicy and flavorful taste. It is a popular street food snack in China and has gained popularity around the world as a spicy noodle dish.