Cherrybook.
Onyx Coffee Lab

Tanzania Iloma Station

WashedMedium84Cherry's Index

Cup profile

plum · red apple · raw sugar · nutmeg

Tanzania Iloma Station by Onyx Coffee Lab
Producer
Iloma AMCOS
Farm / Co-op
Iloma Station
Process
Washed
Altitude
—
Varietals
bourbon
Harvest
2023
Weight
312g
Bag price
$26.00
Price / oz
$2.36/oz
Brew
—

from the roaster’s storeread by Cherrybook from the listing“estimated” below = inferred, not stated

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Price and availability set by the roaster.

Roasts to order · ships in ~1d

Your bag is roasted after you order; expect a short delay before it ships, but it arrives as fresh as the roaster can make it.

“All of our coffee for the cafes and for online orders are roasted to order, and we roast and ship our coffees Monday through Friday.” source ↗

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Cherrybook last checked this listing today.

Cherry's Index

Evidence-of-quality score, not a cup score. Methodology

84

Strong

Preliminary

Confidence33% coverage / 3 of 7 signals

Score is partially shrunk toward a neutral 50 — read directionally until more source families land.

How confidence affects the score

Coverage measures signal availability, not cup quality. Missing sources are dropped, remaining weights are renormalized, and the result is shrunk toward a neutral 50 baseline by 18% so one thin signal cannot carry the score on its own.

Missing: SCA grade, Coffee Review, Buyer reviews, Cherrybook tastings

  • Reddit sentiment
    Sentiment across specialty-coffee discussion
    85/ 55% weight
  • YouTube reviews
    Sentiment from third-party YouTube reviewer mentions
    85/ 30% weight
  • Roaster transparency
    Producer / farm / lot disclosure depth
    80/ 15% weight

Bonuses applied

  • Roast Magazine Roaster of the Year
    This roaster has been recognized as Roaster of the Year by Roast Magazine within the last decade
    +2
  • World Coffee Championships finalist lot
    This roaster sourced a World Coffee Championships finalist routine
    +3
  • Editorial coverage cluster
    This roaster has 3+ recent editorial mentions across trade press
    +1

Renormalized base 84.2 shrunk to 78.3 at 83% confidence + bonuses = 84.

Sensory profile

Flavor wheelestimated

Comps & alternatives

Tasting flight

Taste this against three others Cherry picks.

Brew a set side-by-side. Cherry varies the picks along axes that pair with this lot; origin, process, roast, or producer; so you learn the difference, not just drink four good cups.

Build the flight

Reference · About the varietal & origin

About Onyx Coffee Lab

Community reputation · Reddit

Cult favorite· sentiment 85/100

Onyx Coffee Lab is widely recognized as a benchmark roaster in the specialty coffee community. They are frequently cited as a standard for quality, consistency, and roast uniformity, often serving as a control sample for home roasters. While some users debate their price point or specific roast styles, they are consistently recommended and respected for their transparency and educational resources.

benchmark for quality and consistencyhighly regarded for light roastsfrequent control sample for home roasterstransparent brewing instructionspremium pricing expectationsinnovative sourcing of rare varieties
Threads cited (10)

On YouTube

8 videos · 489k combined views

Outside coverage identifies Onyx Coffee Lab as a roaster deeply invested in the technical precision of coffee production. Reviewers and industry peers highlight the company's commitment to transparent, data-driven roasting methodologies. The roaster is frequently associated with a rigorous approach to heat management and airflow control to extract specific flavor profiles.

Technical roasting precisionData-driven methodologyEmphasis on heat application strategiesFocus on punchy flavor profilesTransparent production philosophy

From Onyx Coffee Lab

Coverage from others

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