“Gremolata,” says Chef Canora, “is like Italian MSG. It makes everything taste good.” It’s important, he adds, to chop the parsley, lemon zest, and garlic cloves together, not separately. Ready-made parchment packets are available in the supermarket’s foil-and-plastic-wrap aisle, but if you can’t find them it’s easy to fold your own. Watch our video to see how.