Another term for 'hot chocolate' is 'hot cocoa'. Hot cocoa is a heated beverage consisting of: shaved chocolate, melted chocolate (or cocoa powder), heated milk or water, sugar and sometimes whipped cream and chocolate/rainbow sprinkles.
It is the most popular beverage in America during winter because Americans consume hot chocolate during winter to keep themselves warm.
The first hot chocolate was believed to have been created by the Aztecs around 2,000 years ago, and chocolate was a huge part of Aztec culture.
The Mexicans had introduced hot chocolate to the Europeans and it went viral. Until the 19th century, hot chocolate was used to treat illnesses such as liver and stomach diseases.
Today, hot chocolate is consumed throughout the world and comes in multiple variations including the very thick cioccolata densa served in Italy and chocolate a la taza served in Spain, and a thinner hot chocolate served in the United States.
Here are a few pictures of the very famous hot chocolate: