Skip to content
Cherrybook.
Single O

Firecracker Limited Blend

Anaerobic Natural

Cherrybook Index

53sparse

Evidence-of-quality score, not a cup score. Sparse signal: 1 of 7 signals on file. Methodology

Price position

US$1.50/ozAUD 19.00 for 250g

Price position appears once the price model has scored this lot.

Catalog summary

An anaerobic Natural lot from Caldas and Tolima, Colombia, not yet indexed (1 of 7 signals on file).

Based on the listing and catalog evidence

Currently out of stock at the roaster. Subscribe to get an email when it returns.

Save at Single O10% off every orderFree shipping over $65Pause, change or cancel subscription anytime

Cherrybook last checked this listing 93 days ago.

Roaster’s notes

guava · plum · tangerine · vibrant tropical fruit

  • Fruit
  • Citrus
Open the flavor wheel

Mapped from the roaster’s tasting notes to the SCA flavor wheel; Cherrybook’s interpretation of the stated notes, not the roaster’s own categorization.

Firecracker Limited Blend by Single O
Farm / Co-op
El Vergel Estate
Altitude
—
Varietals
Caturra
Harvest
—
Weight
250g
Bag price
AUD 19.00
Price / oz
US$1.50/oz
Brew
—

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

Cherrybook Index (CBI)

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

53

Sparse signal

Confidence1 of 7 signals on file

Score is heavily shrunk toward 50; treat as a placeholder until more sources arrive.

How confidence affects the score

Coverage measures signal availability, not cup quality. This coffee has 5% of the signal universe on file. Missing sources are dropped, remaining weights are renormalized, and the result is shrunk toward a neutral 50 baseline by 88% so one thin signal cannot carry the score on its own.

The math on file: renormalized base 65.0 shrunk to 51.9 + bonuses = 53.

Missing: SCA grade, Coffee Review, Reddit sentiment, YouTube reviews, On-shop ratings, Cherrybook ratings

  • Roaster transparency
    Producer / farm / lot disclosure depth
    65/ 100% weight

Bonuses applied

  • Editorial coverage cluster
    This roaster has 3+ recent editorial mentions across trade press
    +1

Sensory profileestimated

Acidity
4
Body
3
Sweetness
4
Balance
3
Clean
3

Comps & alternatives

Roast it yourself

Green coffee from El Vergel Estate

Unroasted lots for home roasting. This listing and each lot below name El Vergel Estate in Colombia.

All green from Colombia →

Tasting flight

Compare this with three more lots selected from the catalog.

Brew a set side-by-side. The picks vary 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 Single O

On YouTube

Meet the roaster on camera

2 videos

From the roasterBrand film

A Quick Li'l Guide To Specialty Coffee

Single O

Watch on YouTube

This video covers Single O; it is general roaster coverage.

Cherrybook summary of the video

This video provides a behind-the-scenes look at the coffee harvesting and processing methods at Single O. It highlights the meticulous care taken by farmers to select only the ripest fruit and the subsequent drying processes used to ensure quality.

Inside this video

From Single O:

“The job of a good coffee picker at a quality farm is to come through and select the ripe fruit.”
“We are the custodians of a product that's had so much care and attention to detail.”

Explore the videos

Videos by their credited creators. Playing a video connects to YouTube. Privacy

← Back to browse

Single O

US$1.50/oz· AUD 19.00 a bag

Out of stock