Chuan Yu Xiao Chi Fang is a Chinese restaurant in Taipei's Datong District that serves Sichuan-style suan la fen and dumplings. Its signature Chongqing hand-made suan la fen uses sweet potato starch noodles with vinegar and chili oil, and the spice level can be chosen. At mealtimes it fills with locals even on weekdays, and sharing tables is standard. The broth and noodles are oily.