Teh Talua or Teh Telor is a beverage from West Sumatra

West Sumatra

West Sumatra is a province of Indonesia. It lies on the west coast of the island Sumatra. It borders the provinces of North Sumatra to the north, Riau and Jambi to the east, and Bengkulu to the southeast. It includes the Mentawai Islands off the coast...

 that is popular throughout the region. Its ingredients (in addition to boiling water) are tea

Tea

Tea is an aromatic beverage prepared by adding cured leaves of the Camellia sinensis plant to hot water. The term also refers to the plant itself. After water, tea is the most widely consumed beverage in the world...

, 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...

, egg yolk

Egg yolk

An egg yolk is a part of an egg which feeds the developing embryo. The egg yolk is suspended in the egg white by one or two spiral bands of tissue called the chalazae...

 and calamondin

Calamondin

× Citrofortunella microcarpa, the Calamondin or Calamansi, is a fruit tree in the family Rutaceae, commonly called the calamondin, golden lime, panama orange, chinese orange, acid orange, calamonding, or calamandarin in English. It is believed to originate from China and has spread throughout...

.

A traditional method of preparing this drink is: stir the egg yolk and 2 spoons of sugar in a glass, until a batter has developed. Pour 1 spoon of boiling water onto the tea powder. Pour the tea into the batter and stir. Add calamondin according to taste.