Original: The marshmallow is a confection that, in its modern form, typically consists of sugar or corn syrup, water, gelatin that has been softened in hot water, dextrose, and flavorings, whipped to a spongy consistency.
Simplified: The Marshmallow is a candy that is usually made of sugar or corn syrup, water, gelatin that has been pre-softened in hot water, dextrose, and flavorings, whipped to a spongy consistency.