Espresso Yen (Thai: เอสเปรสโซ่เย็น ) is a Thai-style coffee drink, brewed with 1-3 shots of espresso mixed with sweetened condensed milk and syrup (and possibly a little fresh milk) poured into a full glass of ice. The glass size may be 16 or 22 oz.
Some people confuse Espresso Yen with iced espresso (espresso on the rocks) or iced Americano, since Yen means cold in Thai, but these three drinks each have their own style.
Other Thai-style coffee drinks:
Relate Link http://asiaeater.tumblr.com/post/83597291905/coffee-a-personal-journey
References
Espresso Yen Wikipedia(Text) CC BY-SA