A dreamy confection from Fannie Farmer posted in response to a recipe request. For best flavor, let it mellow overnight. The cooking time is approximate. From David S. in Louisville: Candies are usually stirred constantly until they come to a boil. The sugar needs to be completely dissolved before it comes to a boil. After the candy comes to a boil you need to let it boil without stirring. It's also important that the candy cool down undisturbed to the proper temperature before beating it.