Important Parts of an Espresso Machine A top espresso machine should deliver a strong and thick-bodied shot of coffee with a full-bodied flavor and intense aroma. This requires high levels of temperature and pressure. Pay focus on the crema. This golden-brown layer gives rich espressos their characteristic flavor and color. https://www.coffeee.uk/products/casabrews-20-bar-espresso-maker-with-milk-frother