Date: 2026-01-24
Context
Roast 7 was a 300 g batch roasted on the Gene Café CBR-301, and it has now been fully consumed.
This roast was not created as an experiment or a contrast roast. It emerged as part of the normal rhythm of learning, applying what had already begun to settle from earlier roasts, without chasing novelty or optimisation.
Rather than being evaluated through a structured cupping, this coffee was shared with colleagues and family and used in everyday brewing contexts. It lived a normal life.
That feels important to note.
Roast details (for reference)
- Coffee: Guatemala Huehuetenango – Finca La Soledad
- Variety / Process: Bourbon, washed
- Batch size: 300 g
- End weight: 252.6 g
- Weight loss: ~15.8%
- Set temperature: 250 °C
- Airflow: Fan speed 3
- Development: ~1:15 post–first crack
These details matter less than the outcome, but they provide context for what follows.
How it was used
Over its life, this roast was brewed across a range of methods:
- Pour-over
- OXO rapid brew
- AeroPress
- Espresso, primarily as cappuccino
Different people, different preferences, different expectations.
What I observed
Feedback was consistently positive.
Not in a dramatic or expressive way, but in the kind of way that matters more in practice:
- easy to drink
- forgiving to brew
- no sharp edges
- nothing left behind
Every bean was used. Nothing was rejected. Nothing stalled at the back of the cupboard.
What this tells me (for now)
This roast proved to be robust.
It tolerated variation, in brewer, in recipe, and in palate, without falling apart. It prioritised drinkability over distinction and usefulness over expression.
I don’t yet know exactly why this roast worked as well as it did. I’m not ready to turn it into a rule, a profile, or a reference recipe.
But it is a meaningful data point.
What I’m taking forward
Roast 7 is now a quiet internal reference, not because it was exceptional, but because it was dependable.
It reinforces something that’s easy to overlook when focusing on signals and technique:
- success doesn’t always announce itself
- real-world use matters more than isolated evaluation
- a coffee that simply works has its own kind of value
If similar outcomes repeat, this may eventually inform the Guide. For now, it stands as a record of something that held up in practice.
Why this Note exists
This entry exists to capture an outcome that didn’t feel dramatic at the time, but mattered in hindsight.
Not every useful roast teaches a new lesson.
Some quietly confirm that something is already working.