The best kitchen gifts solve one specific problem, and you can usually explain exactly how. The HORL3 Cruise holds a knife against a magnet at a fixed 15- or 20-degree angle while a diamond disc rolls along the edge. The ThermoWorks Thermapen Nano gets a reading in about 0.4 seconds, so you can stop guessing when a roast is done. The Challenger Bread Pan traps steam under a tall cast-iron lid, the same trick bakeries pull off with steam-injected ovens. Every pick below works on that principle, from a $16…
