In addition to plastic and aluminum pods, there are also a few grounds-based coffee makers that specialize in one-cup-at-a-time brewing. So if you’re interested in the ease of pod machines, low-volume ...

As with the Nespresso Vertuo system, the Tassimo pods have a barcode that instructs the machine on how to brew each capsule. But you’ll still need to pay some attention – many of the fancier styles ...