Marshmallow Fluff is a sweet, spreadable confection made primarily from sugar, corn syrup, and egg whites. It has a light, airy texture and a sweet vanilla flavor, making it a popular ingredient in various desserts and snacks. Often used as a topping or filling, it can be found in recipes for s'mores, fluffernutter sandwiches, and even as a frosting for cakes. Originally created in the 1910s, Marshmallow Fluff gained popularity in the United States, especially in New England. It is sold in jars and can be enjoyed straight from the container or used in baking. Its versatility and unique texture make it a favorite among many dessert lovers.