GIL MARKS, a chef, rabbi, writer, and historian, is a leading expert on Jewish cooking and the author of three cookbooks on the subject, including The World of Jewish Cooking. He has been featured on radio and television, including the Food Network's Food Live. The founding editor of Kosher Gourmet magazine, he now writes for Kosher Today and other Jewish and food-related magazines. He has taught at The Culinary Institute of America and at Macy's De Gustibus.