Cà phê trung

An egg coffee is a Vietnamese drink traditionally prepared with egg yolks, sugar, condensed milk and robusta coffee. The drink is made by beating egg yolks with sugar and condensed milk, then extracting the coffee into the cup, followed by a similar amount of egg cream, or egg yolks which are heated and beaten, or whisked. The drink is served in cafes throughout Vietnam, originating in Hanoi. The Giang Café (Vietnamese: Cà Phê Giảng) in Hanoi is known for serving the drink, which it makes with egg yolk, coffee powder, condensed milk, and, optionally, cheese. The cup is sometimes served inside a bowl of hot water or set upon a small candle to retain its temperature. The son of the café's founder Nguyen Giang claims that his father developed the recipe for the drink when milk was scarce in Vietnam in the late 1940s, replacing milk with egg yolk. Ingredients for making coffee include fresh chicken eggs, sugar, milk, and coffee. The egg yolks are hand-whipped with milk and sugar and then boiled. Hot or iced coffee is poured into the beaten eggs, which will form an aromatic foam. A teaspoon is provided in order to eat the foam before drinking the coffee at the bottom.

Source: Wikipedia