MoonPie is a marshmallow and graham cracker sandwich coated in chocolate, a sweet treat invented by the employees of the Chattanooga Baking Company from Tennessee, founded in 1902. In the beginning, the company sold at least 150 various baked goods such as crackers and wafers.

In 1917, Earl Mitchell, a company salesman, saw that the employees dipped graham crackers into melted marshmallow, so he added the chocolate coating to the combination and MoonPie was born. In the 1930s, these treats were a staple for hungry workers, and by the time of World War II, the company sent out hundreds of thousands of MoonPies to soldiers abroad.