Egg tong sui is a classic tong sui

Tong Sui

Tong sui, also known as tim tong, is a collective term for any sweet, warm soup or custard served as a dessert at the end of a meal in Cantonese cuisine. Tong sui are a Cantonese specialty and are rarely found in other regional cuisines of China...

(sweet soup) within Cantonese cuisine

Cantonese cuisine

Cantonese cuisine comes from Guangdong Province in southern China and is one of 8 superdivisions of Chinese cuisine. Its prominence outside China is due to the great numbers of early emigrants from Guangdong. Cantonese chefs are highly sought after throughout the country...

, essentially a sweet version of egg drop soup

Egg drop soup

Egg drop soup is a Chinese soup of wispy beaten eggs in boiled chicken broth. Condiments such as black pepper or white pepper, and finely chopped scallions and tofu are also commonly added...

. It is considered a more traditional and home-style dish 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...

 and China

China

Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

, since it is rarely if ever served at any restaurants.

Preparation

The soup recipe is simple as it only requires the boiling of water, chicken eggs

Egg (food)

Eggs are laid by females of many different species, including birds, reptiles, amphibians, and fish, and have probably been eaten by mankind for millennia. Bird and reptile eggs consist of a protective eggshell, albumen , and vitellus , contained within various thin membranes...

, and sugar

Sugar

Sugar is a class of edible crystalline carbohydrates, mainly sucrose, lactose, and fructose, characterized by a sweet flavor.Sucrose in its refined form primarily comes from sugar cane and sugar beet...

. The eggs are usually cracked open with the yolk and egg whites poured right in without any pre-mixing. It is always served hot.