Latte art is not reserved to latte coffee only, it also applies for other beverages containing milk foam like cappuccino and hot chocolate. Latte art developed independently in different countries, following the introduction of espresso and the development of microfoam, the combination of crema (which is an emulsion of coffee oil and brewed coffee) and microfoam allowing the pattern; it presumably was initially developed in Italy. In the United States, latte art was developed in Seattle in the 1980s and 1990s, and particularly popularized by David Schomer. Schomer credits the development of microfoam ("velvet foam" or "milk texturing") to Jack Kelly of
Layered drink primarily for visual enjoyment rather than taste. They are sipped, sometimes through a silver straw, one liqueur at a time. The drink must be made and handled carefully to avoid mixing; however, some layered drinks, such as shooters, are generally drunk quickly. The layers must be poured very gently to avoid mixing. They can be poured over the back of a spoon or down a glass rod. Latte macchiatos may be prepared as layered drinks. Layered drink A layered (or "stacked") drink, sometimes called a pousse-café, is a kind of cocktail in which the slightly different densities of various liqueurs