Coffee and Espresso Machines Espresso machines use pressure in order to push water into finely roasted and tamped beans. They create a rich and flavorful brew. Good Housekeeping Institute experts recommend models that can be brewed with 9 bars or less to ensure the best extraction. Beware of manufacturers that https://www.coffeee.uk/products/salter-espirista-coffee-machine-with-milk-frother