What is Charcoal Roasted Coffee? What are its Flavor and Mouthfeel? How to Make Delicious Charcoal Roasted Coffee by Pour-Over

Flavor and Texture of Charcoal-Roasted Coffee? How to Brew Delicious Charcoal-Roasted Coffee

Roast Level: Dark Roast

Recommended Brewing Methods: Siphon Pot / Iced Coffee, Pour-Over

Coffee Characteristics: Strong flavor with minimal acidity and intense bitter notes

Authentic charcoal-roasted coffee is deep-roasted over a charcoal fire, featuring a dark color and mellow flavor. When you taste this coffee, you won't detect any acidity, which makes for a unique experience.

Charcoal-roasted coffee is revered as the world's most bitter coffee, invented by the Japanese. Japan doesn't produce coffee beans; all of theirs are imported.

The Japanese love coffee but didn't want their coffee formulas entirely controlled by foreigners, so they painstakingly developed their own. At the time, no distinctive coffee used "bitterness" as its selling point, so they started with bitterness, deep-roasting charcoal coffee to maximize it. The result was a coffee that, while bitter, had no astringency and was rich and fragrant. In the end, the Japanese planted their own flag in the coffee world.

Characteristics of Charcoal-Roasted Coffee Using Rice Husk Smokeless Charcoal

When rice husk smokeless charcoal is used to roast coffee beans, the resulting charcoal-roasted beans show the following characteristics, creating more texture layers in the brewed coffee:

(1) The surface of charcoal-roasted coffee beans has no attached black smoke.

(2) Coffee beans won't show high-temperature scorching. The brewed coffee has no bitter burnt taste and is healthier.

(3) Smokeless charcoal's gentle heat won't scorch the beans, so it isn't limited to only deeply roasted Italian coffee that requires fresh milk to cover burnt bitterness.

(4) Light to medium-roasted charcoal coffee adds charcoal aroma and grain notes, better enhancing various coffee flavors.

(5) Because of the longer roasting time, the chemical changes inside charcoal-roasted coffee are more complete, better showcasing the unique aromas of various beans.

(6) Charcoal-roasted coffee can eliminate most fruit acids, making it more suitable for popular tastes.

FrontStreet Coffee's Recommended Brewing Method:

Pour-Over or Espresso

Pour-over water temperature: 83-88°C, water-to-coffee ratio 1:13-14, Fuji grinder setting 4, Kono filter cup. First pour 30g of water for a 28-30s bloom.

Depending on the bloom condition and expansion size, decide how long to pour with a fine water stream. After blooming, the coffee grounds will still contain some air.

During the second pour, foam will form. The foam's fineness represents the air content within the grounds. The air content determines whether the grounds float on the water surface or settle at the filter bottom. With higher air content, the grounds float, so use a fine, gentle stream to disturb them and release the air from within.

Pour until reaching 110g, pause at 140g, wait until the water level in the coffee bed drops to half, then slowly pour until reaching 238g, excluding the last 5g. Extraction time: 2:00 minutes.

This pour-over method yields higher sweetness and mellow sweet notes. This is for reference only; everyone should make fine adjustments according to their preferred taste.

FrontStreet Coffee Recommendation

If charcoal roasting's deep, bitter, low-acid character appeals to you, FrontStreet Coffee's PWN Golden Mandheling is the natural bean to brew. Roasted dark to soften the coffee's acidity and play up its full, rich body, it delivers exactly the style this article describes: low in acidity, thick and long on the palate, with abundant herbal and dark chocolate aromas and a faint earthy note layered through. It is a great fit for anyone who likes a heavy cup and steers away from sourness, and Golden Mandheling's careful sorting—beans above screen 18, minimal defects, and hand selection—keeps the cup notably clean and smooth rather than muddy.

Since dark-roasted coffee pours best with a gentler approach, brew it as a pour-over at 87-88°C with 15g of coffee and a 1:15 ratio, using a coarse, granulated-sugar grind. Bloom with 30ml of water to let the grounds degas, then pour to around 130ml with a steady spiral to lift the golden foam, and finish with a soft, centered pour of about 95ml to build the sweetness. The result is a sturdy, mellow, caramel-sweet cup with chocolate and nut notes—the very opposite of a thin, acidic coffee, and a fine everyday answer to a charcoal-roast craving.