There are many different opinions and recommendations about which Nanxiang steamed food is delicious. There are some famous shops, such as Nanxiang Xiaolong, No.85 Yuyuan Road, Huangpu District, Shanghai, which is regarded as one of the best Nanxiang Xiaolong in Shanghai. There is also the local Wanjia Nanxiang steamed buns in Nanxiang, which is said to be one of the most authentic Nanxiang steamed buns.
In addition, there are some other shops that are also considered delicious Nanxiang Xiaolongs, such as Nanxiang Xiaolongdian in Pudong New Area of Shanghai and Nanxiang Xiaolongshijia in Hongkou District of Shanghai.
To sum up, which Nanxiang Steamed Restaurant is delicious depends on your personal tastes and preferences. I suggest you choose a shop that suits you according to your own tastes and preferences.