Coffee and Espresso Machines Espresso machines use pressure to force water through finely ground and tamped coffee beans. They produce a rich, tasty brew. Good Housekeeping Institute experts recommend models that can be brewed with 9 bars minimum to ensure an ideal extraction. Beware of companies that claim to use https://www.coffeee.uk/products/de-longhi-ecp3630-espresso-cappuccino-machine-with-adjustable-frother