Tian shui mian is a classic staple side dish in Chengdu of Sichuan. The hand-cut, udon-like noodles are sauced with concentrated soy sauce which are seasoned with sugar and a variety of spices. It tastes uper chewy in texture and sweet in complex taste. Oily chili and Sichuan pepper are optional, but give an addictive mala boost. Instead of handmade noodles, this recipe simply uses Udon noodles which can be easily found at supermarkets in America