It’s a type of dessert made up of milk chocolate and marshmallow as main ingredients. Originated in the USA but with no proven history or explanation about the name. Archaeologists have discovered that people have known about popcorn for thousands of years. In Mexico, for example, they’ve found remnants of popcorn that dates to around 3600 BC. Popcorn became popular by 1890s, Cretors had created and deployed street carts equipped with steam powered popcorn makers.