Latte art microfoam, which is a foam of air in milk. Milk itself is an emulsion of butterfat in water, while coffee is a mixture of coffee solids in water. Neither of these colloids are stable – crema dissipates from espresso, while microfoam separates into drier foam and liquid milk – both degrading significantly in a matter of seconds, and thus latte art lasts only briefly. Latte art requires first producing espresso with crema and microfoam, and then combining these to make latte art. See microfoam: procedure for how microfoam is made; this article concentrates on the latte art once the foam
Espresso con panna France "café Viennois" refers to both an "espresso con panna" and a "Wiener Melange". In Australia a similar drink may be called Café Vienna although Espresso con panna will traditionally be in an espresso sized cup, whereas Café Vienna will be served in the same size as a latte, Historically served in a demitasse cup, it is perhaps a more old fashioned drink than a latte or cappuccino, though still very popular, whichever name it receives, at Coffeehouses in Budapest and Vienna. Espresso con panna Espresso con panna, which means "espresso with cream" in Italian, is a single or double