Indonesia · Anaerobic Natural
Bali Batukaang Yeast Ferment Anaerobic Natural
Roasted by Royal Mile Coffee
This limited Bali Batukaang coffee features a candied and citric profile that cools into a nice grapey flavor.
Sold out
Royal Mile Coffee no longer has this coffee in stock. We keep it here for reference.

From the roaster
This is the less fermented version of a fermented funky coffee. 6oz. I wont not tell you that straight up. STRAIGHT UP. You hear me? Do you wanna love me forever oh oh oh.
This is one of those coffees caught in a hit and run. Maybe it's funky maybe it's chocolates, maybe it's berries. You kind of can get a lot. I got a really candied and citric coffee as the front and it cools into a nice grapey but not too winey coffee You might not get any of it. Thankfully it does none of that gross earthy woodsy patchouli smell/taste. Sorry if you like that shit but, not round here partner.
This is part of the 6oz black label lineup and the first offering. There's a limited amount. When it's gone it's gone. We're only roasting 69 (nice) bags of it. There's no refunds. If you hate it you can hate me. It's ok. People do.
Also, you might hate me for this. Everything was roasted all at once so if you want it hyper fresh order yesterday.
— Royal Mile Coffee
Context
The Bali Batukaang Yeast Ferment Anaerobic Natural, offered by Royal Mile Coffee, represents a modern approach to traditional Indonesian coffee production. Sourced from the island of Bali, this lot utilizes an anaerobic natural process, a technique that involves fermenting cherries in an oxygen-free environment to influence the final cup profile. While traditional processing methods often focus on clarity or body, anaerobic fermentation can introduce complex, amplified characteristics. In this specific instance, the roaster identifies a profile defined by candied, citric, and grapey notes. When evaluating such distinct flavor profiles, it is helpful to consult a flavor wheel to better categorize the specific fruit-forward sensations present. This coffee highlights how controlled fermentation can transform the sensory experience of Indonesian beans, moving beyond classic regional expectations to offer a vibrant, experimental cup for those interested in the intersection of science and agriculture.
In the Encyclopedia
Frequently asked questions
Where is Bali Batukaang Yeast Ferment Anaerobic Natural grown?
Bali Batukaang Yeast Ferment Anaerobic Natural, roasted by Royal Mile Coffee, is sourced from Sumatra Mandheling, Indonesia.
What does Bali Batukaang Yeast Ferment Anaerobic Natural taste like?
Expect tasting notes of candied, citric, and grapey.
How is Bali Batukaang Yeast Ferment Anaerobic Natural processed?
Bali Batukaang Yeast Ferment Anaerobic Natural uses the Anaerobic Natural process.
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Last verified: October 14, 2026 · Browse all beans.