Oliang ( Thai: โอเลี้ยง, pronounced [ʔōːlía̯ŋ], also spelt oleang and olieng [1]), commonly known as Thai iced coffee, is a popular Thai beverage. [2] Oliang is prepared from a mixture of Robusta coffee grounds, brown sugar, and various grains and seeds like cardamom, corn, soybeans, rice, and sesame seeds. [3] [1] The drink is noted for its coffee aroma and smoky notes from high-roasted grains and seeds. [4]
The name oliang is derived from the Teochew Chinese pronunciation of 烏涼 ( Pe̍h-ōe-jī: o͘-liâng), which literally means "black and iced," in reference to the black iced coffee concoction. [5] Teochews comprise the majority of the Thai Chinese population.
Traditionally, oliang is brewed with a Thai coffee filter called tungdtom ( Thai: ถุงต้ม), a tea/coffee sock with a metal ring and handle to which a cotton cloth bag is attached. [1] It is also used for making Thai tea. To make Thai coffee, put the oliang into the coffee sock and pour boiling water through it into a carafe. Let the bag steep for approximately 10 minutes until strong. Oliang is sometimes served with condensed milk, or with a small pitcher of evaporated milk, and one of simple syrup with which the drinker can sweeten the oliang to their taste.
Oliang can be customized as follows:
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