Add Yahoo as a preferred source to see more of our stories on Google. A barista working behind the espresso machine at a Starbucks Reserve - Gary Hershorn/Getty Images If there's one thing we know ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (KTLA) — For years, many of your favorite ...

(KTLA) — For years, many of your favorite coffee chains have brewed a batch of coffee and kept it on warmers, then brewed another batch. You may have even seen the little timers Starbucks used to put ...