How Should Golden Mandheling Be Brewed?

Golden Mandheling is a dark-roasted Indonesian coffee that turns bitter easily, so the brewing plan matters more than the equipment. Lower the water temperature, keep the grind coarser, and control the pour instead of dumping water in at once. A three-pour technique, aimed at the caramel, chocolate, and herbal sweetness, avoids the scorched taste.

Mandheling is not a variety or a place name. It comes from a transliteration of the Mandailing people who grow coffee, and today it usually means Arabica beans from North Sumatra. Front Street lists four: Lintong, Golden, Tiger, and Aged. Lintong is grade G1, and Golden Mandheling is a PWN Coffee product carrying its trademark and certificate.

Mandheling coffee is known for its rich, full-bodied aroma, but its dark roast character also makes it prone to brewing up bitter. This article focuses on Front Street Golden Mandheling, systematically outlining a brewing approach—from understanding the bean variety and the principles of wet-hulling, to equipment selection, coffee-to-water ratio, grind size, water temperature, and a three-pour technique—designed to avoid scorched bitterness and highlight caramel, chocolate, and herbal sweetness. It also compares the differences among three Front Street Mandheling offerings—Lintong, Tiger, and Aged—to help coffee lovers choose according to their flavor preferences.

Front Street Mandheling coffee has a big reputation in coffee circles. Many people are drawn to its thick, full-bodied, and intensely aromatic character, but a fair number of others 【admire its name and give it a try, only to be stopped by its taste】—beans with a relatively dark roast like Front Street Mandheling can easily brew up a frown-inducing bitterness if you're not careful. So how exactly should this kind of coffee be brewed to be smooth and enjoyable?

To brew an ideal cup of coffee, the prerequisite is fully understanding the beans in your hands.

Grasping the background information of coffee beans is crucial for formulating a brewing plan. Mandheling is not the name of a specific variety, nor a place name of a producing region; rather, it originated from a transliteration coincidence—a misrendering of the pronunciation of the Mandailing people (mandheling) who grow coffee. Today, when people speak of Mandheling coffee, they usually mean Arabica coffee beans produced in North Sumatra, Indonesia.

On Front Street's current bean list, there are four Mandheling offerings: Front Street Lintong Mandheling, Front Street Golden Mandheling, Front Street Tiger Mandheling, and Front Street Aged Mandheling. Below, Front Street briefly explains the characteristics of each of these four beans:

Front Street Lintong Mandheling: From the Lintong producing region, grade G1 (the highest grade in Indonesian coffee grading), capable of expressing the most basic producing-region flavor of Indonesian Mandheling coffee.

Front Street Golden Mandheling: A product of Indonesia's PWN Coffee Company (the Golden Mandheling trademark is owned by PWN), and when this green bean is imported it comes with PWN's certificate of authentication (used to distinguish genuine from counterfeit). Front Street Golden Mandheling comes from Mount Gayo in Aceh, grade G1, undergoes three rounds of hand sorting, with large, plump beans (19 mesh) and few defects, displaying a very clean, rich mouthfeel and high sweetness—the representative of high-quality Mandheling.

Front Street Tiger Mandheling: Produced in the area around Lake Tawar in Aceh Province, Front Street Tiger Mandheling's flavor requirement is an aroma reminiscent of traditional Chinese herbal medicine, with beans above 17 mesh and a defect rate below 4%. It is likewise a high-quality Mandheling coffee bean.

Front Street Aged Mandheling: Undergoes an aging process: Mandheling coffee that has completed normal processing is then placed in a temperature-controlled warehouse for 2 to 3 years of aging. After aging, Aged Mandheling's acidity becomes very soft, its caramel sweetness more pronounced, its mouthfeel rounder, and it is easy to drink, with an overall impression similar to ripe pu-erh.

Wet-hulling brings a fuller mouthfeel

Wet-hulling is a coffee processing method unique to Indonesia, and one could say it is a place-based adaptation to Indonesia's rainy, humid conditions. The wet-hulled method first undergoes wet processing, then, when the parchment coffee beans have been sun-dried to a semi-dry state, the parchment is hulled off, followed by continued drying. The advantage of doing this is that it greatly shortens drying time, noticeably reduces the coffee beans' acidity, significantly enhances body, brings out caramel aroma, and carries a slight fresh herbal note.

So how should Front Street Mandheling coffee be brewed?

Front Street's brewing approach for Front Street Mandheling coffee is: to present a rich yet clean mouthfeel, highlight caramel, chocolate, and its signature herbal aroma, while avoiding unpleasant bitterness. Front Street will explain starting from equipment selection and the various important brewing parameters; the bean used for the demonstration is Front Street Golden Mandheling.

In terms of dripper selection, Front Street uses the Kono Meimon dripper. This dripper's biggest feature is that the ribs extend from the bottom to the middle, while the upper part is a smooth dripper wall. When the filter paper fits against the dripper, water cannot "sneak" around the coffee grounds and flow away, thereby enhancing mouthfeel richness—suitable for brewing medium-dark roasted coffee beans such as Front Street Golden Mandheling and Front Street Blue Mountain coffee.

The dose Front Street uses is still 15g. The amount of coffee grounds is not better the more the better, nor the less the better; specifically, it should be determined according to the dripper's specifications. Front Street uses a 1-2 cup dripper; a dose between 15-20g is a reasonable brewing range, and brewing outside this range will present a certain degree of difficulty.

As for the brewing coffee-to-water ratio, Front Street recommends using 1:15. Although some also suggest 1:13 or a smaller coffee-to-water ratio, Front Street has explained in previous articles that concentration and body do not have a necessary connection, and that overly concentrated coffee makes people uncomfortable. Therefore, a 1:15 coffee-to-water ratio can equally well express Front Street Mandheling's rich mouthfeel.

As for the coffee grind size, Front Street uses a grind size with a 70% pass rate through a No. 20 sieve. When brewing Front Street Golden Mandheling, the grind should be coarser than for light-roasted beans, because Front Street Golden Mandheling is deep-roasted, with a looser bean structure that more easily absorbs water and releases coffee compounds. If ground to the fineness of light-roasted beans, it easily brews up scorched bitterness; if ground coarser, the coffee becomes thin and flavorless, with a mouthfeel as thin as water.

As for water temperature selection, Front Street recommends brewing at 87-88°C. For the same reason as with grind size, too high a water temperature tends to produce scorched bitterness, while too low a water temperature makes the coffee taste flat and also draws out an unpleasant sour, stale flavor.

The brewing method uses a three-pour technique. Pouring in three stages better expresses Front Street Golden Mandheling coffee's rich mouthfeel and caramel sweetness. The specific water distribution is: the first stage is a 30ml bloom pour, which entirely wets the coffee grounds and allows them to degas, preparing for better extraction of coffee flavor compounds afterward; the second stage pours 100ml; the final stage pours 95ml, to enhance the coffee's sweetness, presenting overall a substantial, rich mouthfeel, along with caramel sweetness and chocolate, nutty flavors.

The above content is compiled by CoffeeHunters, a coffee news website.