Thai tea is a type of tea originating in Thailand. It typically contains strongly brewed black tea leaves, sugar, and then flavored with milk and spices such as star anise, cardamom, ginger. Thai tea is often served hot, iced or blended with ice cubes. The spice coating the rim of the cup is traditionally grated nutmeg or cinnamon, but can also be ground pepper or a mixture of all three. Other ingredients like soy sauce may also be used for certain drinks.
Taste of this tea is sweet, but also has an astringent bitterness. According to researchers at Kasetsart University in Bangkok, the key to the taste of Thai tea is that it combines two different kinds of sugar: granulated white sugar and brown cane sugar. The first one creates sweetness while the second one results in a strong flavor that balances out the sweet taste.