Pity the poor burger. Or, if you prefer, hamburger. Who would have thought cooking a patty of ground beef would be difficult or bring up so many questions? But it happens. And there are lots of ...

Nils Bernstein is a food, drink, and travel editor and writer based in Mexico City. He is the food editor for Wine Enthusiast and has written for such publications as Bon Appétit, Epicurious, Food & ...