Joan Nathan, author of 10 cookbooks, including “Jewish Cooking in America”For Nathan, it’s all about the chicken soup. This recipe is courtesy of her 103-year-old mother, Pearl. Nathan explains the recipe is a bit of a mashup of various cultures:...

NEW YORK — Joan Nathan says she's always had a particular fascination with French Jews and their food. For Nathan, author of "Quiches, Kugels, and Couscous: My Search for Jewish Cooking in France (Knopf, 2010), the love affair with French cuisine started...