Thua nao
| Thua nao in the form of dried disks | |
| Alternative names | Pè bok | 
|---|---|
| Place of origin | Myanmar | 
| Region or state | Shan State | 
| Associated cuisine | Burmese and Thai cuisine | 
| Created by | Shan people | 
| Main ingredients | Soybeans | 
| Similar dishes | Other fermented soy products | 
Thua nao (Shan: ထူဝ်ႇၼဝ်ႈ; Thai: ถั่วเน่า; lit. 'rotten beans'), also known as pè bok (Burmese: ပဲပုပ်; lit. 'rotten beans'), is a fermented soybean product used in Burmese and Thai cuisine, particularly by the Shan, Tai Lue, and Northern Thai peoples as a cooking ingredient or condiment. Thua nao is created by fermenting cooked soybeans with naturally occurring microbes.