How an Espresso Coffee Maker Works The machine is simple to use but requires precision when grinding and tamping beans. It takes a while to warm up. Chris Morocco, Food Director Chris Morocco, Food Director of espresso. He carries bags of coffee beans in his luggage each time he travels. https://coffeeeuk74204.blogdeazar.com/29969195/how-to-get-more-benefits-out-of-your-best-ground-coffee-for-espresso-machine