Never Heard of Omegi-sul? Distill It Again and It's Said to Become Gosori-sul
distilled again into soju
If you've traveled around Jeju, you may have come across the names 'omegi-sul' or 'gosori-sul' at some point. The two names sound similar at first, and a lot of people get confused about how they're different. As it turns out, they're not two separate drinks at all — they're said to be the same drink at two different stages. Omegi-sul, brewed from cha-jo millet, is said to become gosori-sul, Jeju's traditional distilled liquor, once it's distilled a second time. Exact details like the alcohol content, price, or when this method first began are things I'd rather be careful about stating flatly, so today let's walk through the story behind this drink instead.
Omegi-sul Is Said to Be a Jeju Folk Liquor Brewed From Millet
As the name suggests, omegi-sul is said to be made by fermenting a rice cake called 'omegi-tteok.' Omegi-tteok is a round cake kneaded from cha-jo millet flour, a grain that grows abundantly on Jeju — and since rice farming was never plentiful on the island, millet is said to have long been used as an ingredient for brewing liquor. Mixing omegi-tteok with nuruk (fermentation starter) and letting it ferment for a set period is said to produce a thick, mildly fragrant drink, and this fermentation process itself is introduced as the core of what makes omegi-sul what it is. Once fermentation is complete, omegi-sul is known to be drinkable on its own, and some people are said to enjoy it much like a thick, cloudy rice wine.
But omegi-sul doesn't end there, according to tradition. Rather than being left as is once fermentation finishes, the drink is said to go through one more step — and that's where a traditional distilling tool called 'gosori' comes in. Gosori is known as Jeju's traditional soju still, used to heat the fermented liquor into vapor and then cool that vapor back down to collect a clear spirit. Names and shapes are said to vary a little by region, but on Jeju this tool was called 'gosori,' and the liquor distilled with it is said to have taken on the name 'gosori-sul' — liquor made through the gosori.
A single omegi-tteok ferments into liquor, and that liquor passes through the gosori to be reborn as a clear spirit — it's a story that feels almost magical every time I hear it.
— 🍊 GYULIDistilling Omegi-sul Again Is Said to Turn It Into Gosori-sul
Gosori-sul is known to be made by placing omegi-sul into the gosori and applying heat to distill it. Omegi-sul, being a fermented liquor, is thick and cloudy in color, but once it's heated in the gosori, vapor containing alcohol is said to rise upward, cool again at the top of the gosori, and collect drop by drop as a clear spirit. The liquor gathered this way is said to turn clear and transparent, unlike the cloudy omegi-sul it started as — and this complete change in character through distillation is said to be gosori-sul's defining trait. Exactly how strong the resulting liquor turns out to be can vary depending on the method and timing, so I'd rather not state that flatly here.
In Jeju households of the past, omegi-sul is said to have been brewed around holidays or major family events, with part of it distilled through the gosori to serve honored guests or mark special occasions. In a household economy where millet was more common than rice, brewing liquor from millet and then distilling it into something even more prized is why gosori-sul is often introduced as a traditional drink carrying the wisdom of Jeju's people. That said, exactly when this method took hold isn't documented with much certainty — it's said to survive mostly as oral tradition and custom passed down over a long time.
Breweries Like Jeju Saemju Are Said to Introduce This Process
These days, a few breweries on Jeju are said to be setting up ways to show or explain the process of brewing omegi-sul and gosori-sul in person. Among them, Jeju Saemju is one name that comes up as a place known to carry on the traditional method of making omegi-sul and gosori-sul, said to walk visitors through everything from brewing with millet to distilling with the gosori. Details on visiting, tastings, or purchases can vary by season, though, so rather than laying those out in detail here, I'll just say that a place telling this story exists.
Jeju Saemju isn't the only brewery making omegi-sul and gosori-sul, either. Breweries across Jeju are said to be carrying on the tradition of brewing with millet and distilling the old way, each said to differ slightly in how they shape the omegi-tteok, use nuruk, or handle the gosori. So it would be hard to say that tasting just one brewery's omegi-sul and gosori-sul tells you everything about the drink. If you come across a place introducing omegi-sul or gosori-sul while traveling Jeju, it might be worth hearing the story of this millet-brewed, twice-made liquor for yourself.


GYULI's Tip · Some people are said to enjoy omegi-sul on its own for its thick body, while others prefer gosori-sul for its clear, distilled character. Since the two are said to taste and smell quite different from each other, it could be fun to try both side by side and compare, if you get the chance.
Hearing how a humble cake made from a handful of millet ferments into omegi-sul, then passes through the gosori to be reborn as clear gosori-sul, might change the way you look at Jeju's traditional liquor a little. I can't wrap everything up in exact numbers, but I can say with confidence that omegi-sul and gosori-sul are stories that have long been passed down on Jeju just this way. If a moment comes during your Jeju trip when you're curious about traditional liquor, I hope this story comes to mind.