Alison Roman, the best-selling author of cookbooks such as, \u201cNothing Fancy,\u201d and, \u201cDining In,\u201d teaches Stephen how to make a just-sweet-enough tart for dessert. Alison\u2019s new book, \u201cSweet Enough,\u201d is available everywhere now.\nLearn more about your ad choices. Visit megaphone.fm/adchoices