While collard and mustard greens often get the braising treatment, kale’s sturdy leaves also make it great for simmering and soaking up flavor. The best part about braising greens? They really don’t take that long, but they taste like they’ve been slow cooking for hours. Replacing the traditional bacon with pancetta brings our braised kale recipe up a notch, and the addition of a little brown sugar complements the savory stock.