Tuscany gets plenty of adoration for its camera-ready landscapes, its free-flowing Chianti, and its trove of Renaissance art. But now we Americans need to thank it for a vegetable, too. In just the ...

To prepare the kale, cut along both sides of each stem with a sharp knife, or pull the ruffled leaves away from the stems with your hands. Discard the stems. Gather long leaves together and slice into ...