Store : Machines : Keurig Single Serve Coffee Machines New to AromaCafeCulture.com. Keurig Single Serve Coffee Machines! Keurig's patented single-cup brewing system lets people brew a perfect cup of gourmet coffee in less than a minute without the hassle of grinding beans, measuring coffee, handling filters or cleaning up. Keurig takes away all the guesswork from brewing a consistently great cup of coffee.