Cups that hold somewhere between two to four ounces are ideal. For milk-based drinks like lattes and cappuccinos, 12 to 16 ounces with the capacity to hold espresso, milk, and foam are recommended.

What we love: Simply put, Nespresso’s capsule coffee machines offer the best output of any pod-based system we’ve tried. The Vertuo Plus wins in our book for a few key features, namely that it ...