- Glossary
- Portafilter
Why it matters in the cup.
Coffee glossary
Portafilter
The handled basket holder that locks into the group head during brewing.
Filed under
Parts that change the shot
Parts that change the shot
What it means
The handled basket holder that locks into the group head during brewing. It carries the coffee through the entire brew process and is central to puck prep, heat retention, and workflow. A cold, dirty, or poorly fitted portafilter will damage consistency.
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Where this leads
Each one pushes this into the cup, compares it, or helps you act on it.
Before the water hits
Puck
Hardware matters because it shapes the brew environment.
Think of the puck as the extraction environment, not just the spent material left after the shot.
Problems that show up later
Backflushing
Parts stay useful only when they stay clean.
Follow the maker's cleaning schedule and rinse thoroughly after detergent cycles.
How the shot starts
Pre-infusion
See where the component changes the first seconds of flow.
Use pre-infusion to smooth the beginning of the shot, not to compensate for careless preparation.
What people mean when they say "extraction"
Espresso Extraction
Translate parts into what changes in the cup.
Separate extraction from strength in your thinking. One asks how much was dissolved, the other how concentrated the drink feels.