In general, I roll my eyes at one-trick-pony kitchen tools. No one needs a dedicated avocado or apple slicer. But sometimes you do, in fact, run into a single-use item that actually does its job ...

One of the reasons lattes from a coffee shop are so special is that perfectly creamy foamed milk swirl. The foam is essential, the latte art is a bonus—though I love admiring a coffee-striped ...