Coffee Machine Espresso Espresso coffee is produced by forcing hot water under pressure through grounds. There's a lot going on under the hood to ensure consistent quality. Water temperature and pressure are the two main components. You can regulate these variables using a high-quality espresso machine to ensure consistency in https://coffeeeuk16314.isblog.net/the-three-greatest-moments-in-best-home-espresso-machine-history-47055515