Important Parts of an Espresso Machine A quality espresso machine must deliver a strong and thick-bodied shot of coffee, with a full-bodied flavor and intense aroma. This requires high levels of pressure and temperature. Pay focus on the crema. This golden-brown layer gives rich espressos their distinctive flavor and color. https://www-coffeee-uk03230.bcbloggers.com/29294340/ten-easy-steps-to-launch-your-own-espresso-machine-business