Archive
Coffee Knowledge
The science and craft behind a great cup. Learn about extraction, water temperature, grind size, and everything else that separates good coffee from great coffee.
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Can You Eat Coffee Beans?
Yes, you can eat coffee beans in small amounts. Here is how much caffeine is in each bean, how many…
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How Many Coffee Beans Are in a Cup of Coffee?
A typical cup of coffee uses about 100 to 140 coffee beans. Here is the count for espresso, filter, AeroPress…
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What Is the 15-15-15 Coffee Rule? Coffee Freshness Explained
The 15-15-15 coffee rule says green coffee keeps 15 months, roasted beans 15 days and ground coffee 15 minutes. What…
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How to Descale an Espresso Machine (UK Guide, 2026)
How to descale an espresso machine step by step, how often to do it in UK hard water areas, and…
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Cold Brew vs Hot Brew: Understanding the Differences
Cold Brew (12-24 hrs, low acid, smooth) vs Hot Brew (minutes, bright, higher caffeine). Key taste & brewing differences.
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Understanding Coffee Bloom: Why it is Important
Learn the coffee bloom meaning and why it’s crucial for optimal flavor and aroma in your home-brewed coffee.