Yotam Ottolenghi owns four eponymous restaurants--each a patisserie, deli, restaurant, and bakery rolled into one--that are among London's most popular culinary destinations. Now readers can recreate Ottolenghi's famous dishes at home.      Ottolenghi: The Cookbook features 140 recipes inspired by the diverse culinary traditions of the Mediterranean--recipes like Harissa-Marinated Chicken with Red Grapefruit Salad and Cauliflower and Cumin Fritters with Lime Yogurt. The recip