Lanzhou beef noodle soup is a popular Chinese dish originating in Lanzhou, a city in the northwest province of Gansu. The soup consists of hand-pulled noodles made from wheat flour, braised beef chunks, beef broth, and fragrant spices, such as ginger, garlic, and star anise. The dish is often served with chopped scallions, cilantro, and chili oil to add some heat and color. The soup's bold and hearty flavors make it a comforting and satisfying meal, perfect for a chilly day.