Important Parts of an Espresso Machine A quality espresso machine must deliver a strong and thick-bodied shot of coffee, with a full flavor and intense aroma. This requires a high level of temperature and pressure. Pay close attention to the crema. This golden-brown layer gives rich espressos their distinctive taste https://www.coffeee.uk/products/espressoworks-barista-bundle-espresso-maker-with-grinder-cups