Everyone knows that oven racks are a nightmare to get sparkling clean — but could cornstarch really save the day? We put the theory to the test.

There’s nothing worse than a thin sauce or a watery stew, but such undesirable outcomes can happen to the best of us, which is why the kitchen gods have blessed us with cornstarch—a magical powder ...

Ah, cornstarch. That little white powder hanging out in your pantry, often overlooked, but oh-so-versatile! If you're like ...