Buying an Espresso Coffee Machine Espresso machines heat water until near boiling and then force it through tightly-packed ground coffee into portafilter baskets under high pressure. They also supply steam for milk-based drinks. The majority of espresso machines can be programmed with settings to adjust the strength and the size https://wwwcoffeeeuk56394.blogs-service.com/60872886/the-secret-secrets-of-coffee-espresso-machine