Important Parts of an Espresso Machine A high-quality espresso machine will give you a shot with a firm body, a rich flavor and an intense aroma. This requires high levels of pressure and temperature. Pay focus on the crema. This golden-brown layer gives rich espressos their characteristic flavor and color. https://www-coffeee-uk40617.blogstival.com/52251163/the-reasons-to-work-on-this-coffee-machine-espresso