The drink is made by passing hot water through the grounds into a cup that already contains condensed milk.

Variations involve additions of ice, sugar or condensed milk.

[1] This is done by putting two to three teaspoons or more of condensed milk into the cup prior to the drip filter process.

Other variations include: Coffee was introduced to Vietnam in 1857 by a French Catholic priest in the form of a single Coffea arabica tree.

Vietnam did not become a major exporter of coffee until the Đổi Mới reforms and opening of the economy after the war.