If you want to be able to brew individual cups of coffee, as well as full carafes to serve multiple people, the newest version of the Keurig K-Duo is a versatile option for your kitchen.

I tested the Keurig K-Duo (Gen 2) and a Nespresso Vertuo Plus, using my experience as a product tester, kitchen editor, and coffee drinker. Though the K-Duo is capable of pod and carafe brewing ...