Important Parts of an Espresso Machine A good espresso machine should deliver a thick and powerful shot of coffee, with a full aroma and a strong flavor. This requires a high pressure and temperature. Pay close attention to the crema. This golden-brown layer is what gives rich espressos their characteristic https://www-coffeee-uk91567.canariblogs.com/ten-espresso-machines-that-really-improve-your-life-45050978