Getting to Chengdu, Sweet Potato Noodles with Pork Intestines is a must taste. The soup should be boiled with the pork intestines and bones the night before, and it would better if the sweet potato noodles are freshly made. After quick boiling the thin sweet potato noodles, put them into a bowl of soup seasoned with chili oil and other condiments. Local people often eat it with Guokui, a kind of golden, crispy wheat cake.