A moon pie or MoonPie is a confection, popular in parts of the United States, which consists of two round graham cracker cookies, with marshmallow filling in the center, dipped in a flavored coating. The snack is often associated with the cuisine of the American South where they are traditionally accompanied by an RC Cola. Today, MoonPies are made by the Chattanooga Bakery in Chattanooga, TN.The traditional pie is approximately four inches (100 mm) in diameter.