How is Indonesian Coffee? Introduction to Gayo Honey from Aceh Province, Indonesia - How to Brew Indonesian Coffee

Overview of Indonesian Coffee

Indonesian coffee quality is highly diverse, and most varieties are marketed by their island of origin, such as Sumatra, Sulawesi, Java or Timur. The advantage of Indonesian coffee is that most varieties offer rich, reserved flavors with a lively but moderate acidity. Many people speak highly of Indonesian Mandheling, which has made it one of the most widely accepted coffee products.

The Complex Nature of Sumatran Coffee

Coffee from Sumatra is exceptionally complex and elusive. The finest Sumatran coffees come from two regions: in northern Sumatra, Aceh province near Lake Tawar, and further south, the Lintong region in the mountains around Lake Toba. Because of the many small tenant farmers, their unique semi-washed processing and the iron-deficient soil, beans from this region show a distinctive blue color at the fresh green bean stage.

Wet-Hulled Processing Method

Common Mandheling coffee undergoes wet-hulled processing. Farmers use machines to remove the skin and pulp from the red cherries, leaving the beans with a significant amount of mucilage. These are then placed in fermentation tanks and stirred for about one day, or 24 hours. When fermentation is complete, the remaining mucilage can be easily washed away with water. The beans are then sun-dried to about 30% to 35% moisture content before the outer husk is removed for market sale. Removing the husk in this semi-wet state reveals a unique deep blue color in the beans themselves. This method reduces acidity and enhances body, creating the distinctive Indonesian style.

Aceh Gayo Honey Process

The Yellow Honey coffee from the Gayo region of Sumatra's Aceh province grows mainly in the highland, moist soils of Aceh and is cultivated by small farmers. The harvested cherries are sent together to nearby green bean processing facilities, where they are processed in a way completely different from traditional wet-hulling.

Brewing Recommendations

FrontStreet Coffee's pour-over brewing recommendations:

KONO dripper, 88°C, Fuji Small grinder setting 4, coffee-to-water ratio 1:14, total brewing time approximately 1'30".

FrontStreet Coffee Recommendation

For a wet-hulled Indonesian coffee at its cleanest, try FrontStreet PWN Golden Mandheling. The PWN company applies very strict standards: it selects beans of 18 screen and above, requires fewer than three defective beans per 300-gram green sample to meet the top G1 grade, and then applies three rounds of hand sorting to remove any remaining defects, which raises the cup's cleanliness and sweetness. The result is a deep-roasted coffee with very low acidity, a thick and lingering body, abundant herbal and black chocolate aroma, and a faint earthy note.

For a wilder, more traditional Mandheling, FrontStreet Lintong Mandheling comes from the Lintong region around Lake Toba. Also medium-dark roasted, it brings out black chocolate and caramel while keeping Mandheling's herbal character. It is best brewed by hand: 87°C to 88°C water, 15 grams of grounds and a 1:15 ratio with a coarse-sugar grind, poured in three stages, 30 ml to bloom, 100 ml for the second pour and a gentle 95 ml center pour to finish, which draws out the full body along with the caramel, chocolate and nut sweetness.

If you want that Mandheling depth in an espresso, FrontStreet's Classic Blend adds medium-dark Mandheling to the creamy, nutty base of Brazilian coffee. The butter, roasted chestnut and caramel notes stand out, and the Mandheling raises the overall body while adding sandalwood, herbal and spice aromas. A small amount of Robusta is included to enrich the crema, so it works easily in a latte or a layered Dirty.