Btw, generally speaking, foreigners do not like eating animal organs, and also you do not used to eat meat with bones, so you should be careful when you try to order the first three kinds of food.

Duck Blood and Sweet Potato Starch Noodle Soup (Yaxue Fensi Tang, 鸭血粉丝汤)

Baked Duck (Shao Ya, 烧鸭)

Nanjing Salty Duck (Nanjing Yanshui Ya, 南京盐水鸭)