dalgona

A Korean sweet made of sugar and baking soda, usually pressed flat and stamped with a shape.

An Yong-hui, a Seoul street vendor who made the dalgonas – a honeycomb biscuit featured in the drama, told Reuters that fans start queueing outside his street kitchen at 11am, and he now sells 500 a day, compared with his pre-Squid Game sale of 200. […] Girls buying dalgonas in Seoul – Squid Game has boosted business for the street vendors who sell them.

The dalgona candy, featured in episode three of the show, was handmade by a group of candymakers in Seoul, which goes by the name of Segyero Dalgona. The street vendor has been making dalgona candies for eight years near the Hyehwa subway station, and provided 700 dalgonas to "Squid Game."

Ellipsis of dalgona coffee.

Some people have opted to modify their Dalgonas, adding coffee liqueur and adding half milk, half Baileys.

Dalgona – whipped instant coffee – is dominating Instagram right now. […] After being served a whipped coffee in Macau, he presented it on a TV show called Stars’ Top Recipe at Fun-Staurant in January, christening it “dalgona” for its likeness to a popular South Korean sweet of the same name. Korean YouTubers began making their own dalgonas in late February. […] Pour or spoon the foam over hot or cold milk and you have dalgona, a coffee that looks great and tastes awful.