To summarize:

South Gate: stinky tofu in Si'aomu, flavored shrimp, flavored crab, moon cake near Labor Square

Pozi Street: Xiangqun Pot Dumplings, Wenji Four-in-One Hot Sauce, Fire Palace’s Stinky Tofu.

Pedestrian Street: Sugar and oil cakes, various barbecues, spicy hotpot

Train Station: Zhajiang Noodles in Xinhua Building

If you want to bring it to your friends, the pot Dumplings, hot stew, and stinky tofu are relatively easy to bring. Buying stinky tofu at the Fire Palace is more memorable