Beans to Cup Coffee Machine Basically, they use high pressure to push hot water through ground beans and then mix it with foam or milk based on the drink you want. They are ideal for offices and other non-hospitality workplaces that require a fast, convenient way to make excellent coffee. https://jailroute4.bravejournal.net/its-time-to-forget-bean-to-coffee-machines-10-reasons-that-you-no-longer-need