Coffee Machine Espresso Espresso coffee is produced by forcing hot water under pressure through grounds. There's a lot that goes under the hood to ensure consistent quality. The key factors are temperature of the water and pressure. You can control these variables by using a reliable espresso machine to ensure https://coffeee-uk26882.wizzardsblog.com/29840967/the-ultimate-glossary-on-terms-about-best-budget-espresso-machine