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
Pumpkin Spice Latte Pumpkin Spice inspired products. According to Datassential Menu Trends, restaurants' pumpkin-inspired limited-time offers were up 234 percent from 2008 to 2012, while overall limited-time menu offers grew by 143 percent over the same period." These items include pumpkin M&M's, Dunkin' Donuts pumpkin flavored coffee K-packs, and pumpkin flavored whiskey. Companies have also manufactured pumpkin spice lotion, shampoo, and candles. The Starbucks Pumpkin Spice Latte can also be made iced or as a Frappuccino upon request at a Starbucks store. In Fall of 2017 the company added a Chai variety of the drink called the Pumpkin Spice Chai Latte. Additionally, Starbucks