While gifts often take the main stage on Christmas morning, there's a lot to be said about a great holiday treat. So, what's the most timeless holiday treat in the state? The Best Holiday Treat In MassachusettsCookies have been a part of the holiday tradition for centuries. The crew at Coffeeness has released a survey of eight popular Christmas desserts and explains which are the most popular in various states. That's not a surprise and obviously a very popular treat on Thanksgiving and Christmas.