Whenever something bad happens to someone I love, my first reaction is to bake. Not just any recipe, though. When I need to lift someone’s spirits or bring them a spark of joy, I always make Dorie Greenspan’s World Peace Cookies.For many bakers (including plenty of those at King Arthur!) these cookies are legendary. “These are the chocolate-on-chocolate cookies of your wildest dreams,” raves my colleague PJ Hamel, a fellow World Peace Cookie enthusiast.So when we flipped through Dorie’s new cookbook,Baking with Dorie,and saw she was debuting a new 2.0 version of her classic cookie, we were thrilled. I’m not ashamed to say I let out an audible yell. (Heads up: We only recommend the cookbooks that we, as bakers, truly love. When you buy through external links on our site, we may earn an affiliate commission.)The origins of thiscookie legendAs Dorie recounts to me, the original recipe for World Peace Cookies dates back decades, to when her friend, Parisian pastry chef Pierre Hermé, gave h...