Rome has four iconic—and outrageously good—pasta dishes: cacio e pepe, amatriciana, carbonara, and gricia. I’ve long been a huge fan of the more well-known first three but had never tried gricia, which features guanciale (cured hog jowls), ground black pepper, and tangy, salty Pecorino Romano. So when my colleague Sasha Marx, who grew up in Rome, offered to make it for lunch on a quiet day in the test kitchen, I couldn’t refuse.
Sasha put a pot of rigatoni on to boil while he sautéed chopped guanciale in a skillet. When the pork was deeply browned but still retained a tender chew, he removed it, leaving behind its rendered fat. In went the drained rigatoni, which was only halfway cooked (also known as al chiodo, or “to the nail”), along…
