Coffee prepared by adding steamed hot milk (microfoam) to espresso so that the flavour is brought out and the texture is unusually velvety. It has less milk than a latte but both are varieties of coffee to which the milk can be added in such a way as to create a decorative surface pattern. Such effects are known as latte art. Coffee can also be incorporated with alcohol to produce a variety of beverages: it is combined with whiskey in Irish coffee, and it forms the base of alcoholic coffee liqueurs such as Kahlúa and Tia Maria. Darker beers such as
Xen Coffee and latte. In Hong Kong, the very first appearance of a siphon coffee maker was in the 1970s, at a coffee shop (which may also be the city's first bona-fide coffee shop) on Patterson Street, Causeway. Xen Coffee Xen Coffee is an independent siphon coffee bar in Hong Kong. Xen Coffee's first coffee shop was in Quarry Bay. Xen Coffee serves highly selective coffee varieties from Africa, Indonesia, Central and South Americas. Xen Coffee was awarded Best Fair Trade Cafe in Hong Kong for its effort as a pioneer in promoting Fair Trade products like chocolate from Ghana, organic coffee