Coffee Beans & Roasts
Whole bean, single-origin, espresso roasts, and decaf worth grinding fresh
How to Store Coffee Beans: What the Research Actually Says About Freshness
CQI Q Grader Clara Bennett explains how to store coffee beans using the published staling research — why oxygen matters roughly 20 times more than anything else, why the fridge is the one genuinely wrong choice, and what the freezer studies really found.
0 products reviewed · Updated Sep 6, 2026
Espresso Powder vs. Instant Coffee: What They Actually Are, and When to Swap One for the Other
Q Grader Clara Bennett explains why espresso powder IS instant coffee, gives the real 1.5:1 substitution ratio with the reasoning, and reconciles the caffeine numbers.
0 products reviewed · Updated Aug 30, 2026
Best Instant Espresso Powder of 2026
Q Grader Clara Bennett ranks the 13 best instant espresso powders of 2026 for baking and for drinking, plus which ones are actually espresso and which are not.
13 products reviewed · Updated Sep 24, 2026
Best Instant Coffee of 2026
Q Grader Clara Bennett ranks the 13 best instant coffees of 2026 -- freeze-dried, microground, decaf, low-acid and organic picks, cupped blind on the SCA form.
13 products reviewed · Updated Sep 26, 2026
Arabica vs. Robusta: A Q Grader's Honest Guide to the Two Beans in Your Cup
CQI Q Grader Clara Bennett breaks down arabica vs. robusta with real numbers — caffeine, sugars, lipids, chlorogenic acids, altitude, and price — explains why robusta makes thicker crema (and why that isn't better), and shows how to read a blend label.
0 products reviewed · Updated Aug 9, 2026
Best Coffee Beans for Espresso in 2026 (Q Grader Tested)
CQI Q Grader Clara Bennett ranks the best coffee beans for espresso in 2026 — crema-forward blends and single origins cupped shot by shot, sorted by roast level, machine type, espresso martinis, decaf, and low-acid.
11 products reviewed · Updated Sep 16, 2026
10 Best Coffee Beans of 2026
Q Grader Clara Bennett ranks the 10 best coffee beans of 2026 — cupped by roast level and brew method, from a versatile everyday medium to bold dark roasts, bright lights, and low-acid picks.
10 products reviewed · Updated Sep 21, 2026