What is "zha jiang mian"?

Zha jiang mian is a classic Chinese noodle dish that features wheat flour noodles that are served with a savory and flavorful sauce made from ground pork or beef, fermented soybean paste, and a variety of vegetables such as onions, cucumbers, and bean sprouts. The sauce is typically seasoned with a blend of spices such as ginger, garlic, and chili peppers, which gives it a bold and aromatic flavor. The dish may also include ingredients such as tofu, mushrooms, or eggs, which are stir-fried with the sauce and then served over the noodles. It can be customized to suit different tastes and dietary preferences and is often served as a main dish in Chinese restaurants.