Coffee Machine Espresso Espresso coffee is produced by pushing hot water under pressure through the grounds. There's a lot going on under the hood to ensure the same quality of coffee. The main elements are water temperature and pressure. You can control these variables with a good espresso machine to https://wwwcoffeeeuk73686.bloggazza.com/29194120/the-ultimate-glossary-of-terms-about-best-budget-espresso-machine