Ningnan refers to Ningnan County, Liangshan Yi Autonomous Prefecture, Sichuan Province, China. As for what is the best in Ningnan, this is a very subjective question because everyone's tastes and preferences are different. The following are some Ningnan specialties and delicacies for your reference:

1. Ningnan jelly: Ningnan jelly is a very famous local specialty snack. It is made of pea flour or mung bean flour and has a delicate taste. Served with chili oil and seasonings, it tastes delicious.

2. Ningnan bubble cake: Ningnan bubble cake is a traditional cake made from glutinous rice flour and water. It has a soft and waxy texture and comes in two flavors: sweet and salty.

3. Ningnan Hot and Sour Noodles: Ningnan Hot and Sour Noodles are one of Ningnan’s special snacks. They are made from sweet potato flour and served with hot and sour soup and various side dishes. It tastes sour and spicy.

4. Ningnan mutton steamed bun: Ningnan mutton steamed bun is one of the very famous local delicacies. It is made of mutton and steamed buns, served with fragrant mutton soup and various side dishes. Delicious.

5. Ningnan Tofu Pudding: Ningnan Tofu Pudding is one of the very famous local snacks. It is made from soybeans and has a delicate texture. It is delicious when paired with chili oil and seasonings.

The above are some specialties and delicacies of Ningnan. You can choose according to your own taste and preference.