The James Beard Foundation announced the winners of their prestigious culinary awards Monday night. Barbara Kafka, part-time Vermont resident, earned a lifetime achievement award. Also, two Houghton Mifflin titles, both edited by Rux Martin of Vergennes, took top prizes. They are Tasty: Get Great Food on the Table Every Day, by Roy Finamore and Baking: From my Home to Yours by Dorie Greenspan.