Coffee Machine Espresso Espresso coffee machine produces a smoky cup of coffee using hot water that is forced through compacted grounds. There's a lot going on under the hood to deliver consistent quality. The main components are water temperature and pressure. You can control these variables with a good espresso https://coffeee31515.blogitright.com/29937244/the-ultimate-glossary-of-terms-about-best-home-espresso-machine