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Article · Wednesday, October 21, 2026

Specialty coffee · Worth knowing

One thing happening in the world of Specialty coffee today, written for an enthusiast — not a beginner. Skip celebrity gossip. Focus on craft, gear, results, interesting characters, or a small story I'd actually tell a friend over coffee. Quality over quantity.

By Marius BongartsOther100 editions
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Specialty coffee · Worth knowing
Wednesday, October 21, 2026
Specialty coffee · Worth knowing

Anaerobic fermentation becomes the craft lever

1 min read

Cinnamon anaerobic processing

A Costa Rican producer just proved anaerobic fermentation can be deliberately flavored.

Esteban Zamora's cinnamon anaerobic process seals coffee cherries with mucilage intact alongside cinnamon powder at a 1:46 ratio in GrainPro bags for six days, then finishes with mechanical drying [Quelle: Sigma Coffee]. Black & White Roasters, founded by two US Barista Champions, is now offering it with confectionary sweetness, cinnamon-roll character, baked apple, and orange zest—flavors that arrive from processing method, not blending.

Following yesterday's fermentation taxonomy story, this is what intentional co-fermentation looks like at origin.

Yeast-inoculated Liberica honey

Indonesia's Liberica just got the anaerobic treatment with purpose.

A Matter of Concrete's Reza Nurullah developed a yeast-inoculated anaerobic honey process that combines locally sourced yeast cultures with fermentation, then dries as red honey with 50% mucilage retention [Quelle: Sigma Coffee]. The cup profile—stevia, honey, sugarcane concentrated and polarizing—lands as an intentional experience coffee, not everyday drinking.

Liberica gets a second look when processing skill meets varietal potential.

The $20 pour-over play

Specialty cafés are discovering that rare lots reward premium pricing if you earn it.

Twenty-dollar or higher pour overs appeal to committed enthusiasts seeking Cup of Excellence winners and unusual regional varieties, but success requires three elements working together: barista training that explains origin and processing, consistent brewing—some cafés use automated brewers to free baristas for storytelling—and a strong core menu that grounds the economics [Quelle: Perfect Daily Grind]. The premium tier works best as addition, not anchor, because most customers won't order it regularly.

The customer pays for experience and education, not just the coffee itself.

Sources
The US$20 pour over: Paying for the experience as much as the coffee
The US$20 pour over: Paying for the experience as much as the coffee
17 hours ago ... You may also like our article on why specialty coffee is gaining wider recognition outside the industry. ... Trends At Origin. Roasting. Roastery Management ...
perfectdailygrind.com
AI Summary

Premium pour overs priced at US$20 or more have become a specialty café trend in mature markets, appealing to a committed group of coffee enthusiasts who seek rare lots like Cup of Excellence winners or unusual regional varieties. Success with these high-priced offerings depends on barista training, clear storytelling about the coffee's origin and processing, and consistent brewing—some cafés use automated brewers to ensure quality while freeing baristas to enhance the customer experience. The economics require premium pour overs to complement a strong core menu rather than stand alone, with value delivered through the entire experience: from showcasing whole beans and sharing tasting notes with customers to presenting the brew personally, making customers focus on the coffee itself rather than the price.

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Esteban Zamora - Cinnamon Anaerobic | Costa R – Sigma Coffee UK
Esteban Zamora - Cinnamon Anaerobic | Costa R – Sigma Coffee UK
12 hours ago ... If you're a coffee enthusiast in the UK, you know the thrill of discovering a new roaster - the unique flavours, innovative processing methods, and stories ...
sigmacoffee.co.uk
AI Summary

Black & White Roasters, founded by two US Barista Champions in 2017, has released a cinnamon anaerobic coffee from Costa Rican producer Esteban Zamora that showcases an innovative processing technique. The defining step involves a six-day anaerobic fermentation where coffee cherries with mucilage intact are combined with cinnamon powder at a 1:46 ratio in GrainPro bags, creating a seal around the seed that requires mechanical drying to complete. This specialized cinnamon anaerobic (co-ferment) process, pioneered by Zamora and hand-processed on his five-hectare family farm, produces remarkable confectionary sweetness with distinct cinnamon-roll character, baked apple, and orange zest notes.

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Reza Nurullah Yeast Inoculated Anaerobic Honey Liberica | Indonesia
Reza Nurullah Yeast Inoculated Anaerobic Honey Liberica | Indonesia
11 hours ago ... If you're a coffee enthusiast in the UK, you know the thrill of discovering a new roaster - the unique flavours, innovative processing methods, and stories ...
sigmacoffee.co.uk
AI Summary

A Matter of Concrete's Reza Nurullah has developed a yeast-inoculated anaerobic honey process for Liberica that combines locally sourced yeast cultures with fermentation in an anaerobic environment, followed by drying as red honey with approximately 50% mucilage retention. This processing technique builds sweetness while preserving Liberica's distinctive character, resulting in concentrated notes of stevia, honey, and sugarcane with an outspoken, polarizing profile designed as an "experience coffee" rather than everyday drinking coffee.

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