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The Freshness Lab

  • How to Dial In Espresso
    April 16, 2026

    How to Dial In Espresso

    Dialing in espresso means adjusting grind size, dose, and yield until the shot tastes balanced, typically achieved when an 18–20g dose produces 36–40g of espresso in 25 to 30 seconds. Dialing in is the systematic process of adjusting espresso variables one...

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  • Espresso Shot Time Explained
    April 16, 2026

    Espresso Shot Time Explained

    Espresso shot time is the amount of time it takes to reach your target espresso yield. Around 25–30 seconds is a useful starting point for many traditional espresso recipes, but it is not a universal definition of a good extraction. The more...

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  • Espresso Grind Size Chart
    April 15, 2026

    Espresso Grind Size Chart

    Espresso requires a fine grind, typically similar to table salt or slightly finer, adjusted until the shot pulls in 25 to 30 seconds at a 1:2 ratio. Grind size is the primary variable for controlling espresso extraction, and it is...

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  • The Home Barista Espresso Guide
    April 15, 2026

    The Home Barista Espresso Guide

    Making great espresso at home requires understanding five variables: grind size, dose, yield, shot time, and coffee freshness. Espresso is coffee brewed by forcing pressurized hot water through finely ground coffee at approximately 9 bars of pressure, producing a concentrated...

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  • Best Coffee Beans for Pour Over
    April 3, 2026

    Best Coffee Beans for Pour Over

    The best coffee beans for pour-over are light to medium roast single-origin coffees, consumed within 7 to 21 days of roasting. Pour over is the brew method most sensitive to both coffee quality and freshness because it uses paper filtration...

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