Sou is a type of dried flaky Chinese pastry found in a variety of Chinese cuisine

Chinese cuisine

Chinese cuisine is any of several styles originating in the regions of China, some of which have become highly popular in other parts of the world – from Asia to the Americas, Australia, Western Europe and Southern Africa...

.

Dim sum

In dim sum

Dim sum

Dim sum refers to a style of Chinese food prepared as small bite-sized or individual portions of food traditionally served in small steamer baskets or on small plates...

 restaurants, char siu

Char siu

Char siu , otherwise known as barbecued meat in China or Chinese-flavored barbecued meat outside China, is a popular way to flavor and prepare pork in Cantonese cuisine. It is classified as a type of siu mei, Cantonese roasted meat...

 sou (叉燒酥) is the most common version available. Other varieties may include century egg

Century egg

Century egg or pidan , also known as preserved egg, hundred-year egg, thousand-year egg, thousand-year-old egg, and millennium egg, is a Chinese cuisine ingredient made by preserving duck, chicken or quail eggs in a mixture of clay, ash, salt, lime, and rice hulls for several weeks to several...

 and lotus seed paste

Lotus seed paste

Lotus seed paste is a Chinese dessert ingredient made from dried lotus seeds. It is traditionally considered as a luxurious ingredient.-Production:...

. These are commonly found in Hong Kong

Hong Kong

Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

 or Singapore

Singapore

Singapore , officially the Republic of Singapore, is a Southeast Asian city-state off the southern tip of the Malay Peninsula, north of the equator. An island country made up of 63 islands, it is separated from Malaysia by the Straits of Johor to its north and from Indonesia's Riau Islands by the...

 in Asia. They may occasionally be found in some overseas Chinatowns.

Shanghai cuisine

In Shanghai cuisine

Shanghai cuisine

Shanghai cuisine , also known as Hu cai is a popular style of Chinese cuisine. The city of Shanghai itself does not have a separate and unique cuisine of its own, but modifies those of the surrounding provinces, is Jiangsu and Zhejiang coastal provinces. What can be called Shanghai cuisine is...

, a number of dried varieties are available, such as peanut

Peanut

The peanut, or groundnut , is a species in the legume or "bean" family , so it is not a nut. The peanut was probably first cultivated in the valleys of Peru. It is an annual herbaceous plant growing tall...

 sou (花生酥), green bean

Green bean

Green beans , also known as French beans , are the unripe fruit of any kind of bean, including the yardlong bean, the hyacinth bean, the winged bean, and especially the common bean , whose pods are also usually called string beans in the northeastern and western United States, but can also be...

 sou (綠豆酥) or walnut

Walnut

Juglans is a plant genus of the family Juglandaceae, the seeds of which are known as walnuts. They are deciduous trees, 10–40 meters tall , with pinnate leaves 200–900 millimetres long , with 5–25 leaflets; the shoots have chambered pith, a character shared with the wingnuts , but not the hickories...

sou (核桃酥). People often buy them for souvenirs in boxed forms.