A few years ago a friend gave me a book, Madhur Jaffrey’s World Vegetarian, not only because it’s a great book, but most of all because it has a recipe for “Doubles”—a recipe that has become one of our favorites too. Mrs. Jaffrey got her recipe from Trinidad, where they serve the rolls with fried shark. For her book she made it into a vegetarian recipe, with chickpeas and tomatoes. Delicious! I now introduce it with pulled pork. Eat i