Adrian Cole
Profile Coffee Writer & Home Brewing Tester

600+

brews logged and compared

9

years of home brewing and café bar experience

Coffee Writer & Home Brewing Tester Certified Barista Skills (SCA Foundation)

Adrian Cole

Adrian Cole has made more bad coffee than most people will ever drink. Early on, it was bitter French press, then sour pour-over, then a long stretch of espresso that tasted like hot lemon water. What changed was not a new machine. It was learning to ask one question before changing anything else: what is actually wrong in the cup?

That habit—diagnose first, adjust second—shaped how he writes. Over nine years of brewing at home, working behind a small café bar, and testing gear in a normal kitchen with normal counter space, Adrian has learned that most home coffee problems come down to a handful of variables: grind size, water temperature, ratio, freshness, and consistency. Everything else is secondary. With an SCA Foundation barista certification and a stubborn preference for methods that do not require a spreadsheet, he writes guides that give readers a clear starting point and a short path to a better result.

His work covers brewing methods, bean origins and roast levels, grinders and essential gear, storage and freshness, and the practical fixes for bitterness, sourness, weakness, and inconsistency. He is particularly interested in the gap between café technique and home reality—small kitchens, shared counters, supermarket beans, and mornings when nobody has time to weigh every gram.

When he is not writing or testing a new brewer, Adrian can usually be found grinding beans for tomorrow's coffee, recalibrating his scale, or arguing gently that the best grinder is the one you will actually clean.

Editorial Archive

Articles & Brewing Guides by Adrian Cole

Why Does My Coffee Taste Sour? Fix It Fast
Coffee Basics & Fixes Aug 2026

Why Does My Coffee Taste Sour? Fix It Fast

Is your morning cup tasting like lemon juice instead of coffee? Why does my coffee taste sour? I tested 50+ brews to find the real culprits—from water temp to grind size—and how to fix each one.

4 reads Read Guide
Brewing Guides Aug 2026

Does Snapdragon Make X86 CPUs? The Simple Answer

Wondering if Snapdragon makes x86 CPUs? Here's the truth: Snapdragon processors are ARM-based, not x86. Learn the key differences, compatibility with x86 apps, and what Snapdragon's ARM chips mean for your next laptop or tablet.

790 reads Read Guide