What are some of the local delicacies I should try while in Xi’an?

The famous local delicacies in Xi’an include: Chinese hamburger stuffed with pork (Roujiamo), steamed bun stuffed with soup (Guantangbao), cold noodles (Liangpi), spicy and pungent soup (Hulatang), parched rice (Suancaichaomi), bingfeng soda water (Bingfengqishui), sticky rice pastry (Zenggao), crusty pancake (Guokui) and foamed mutton bun (Yangrou Paomo).