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Field Notes Coffee, Explained

Coffee, Explained

Labels, grocery aisles, decaf myths, and the vocabulary of specialty — explained without the lecture.

From the directory

Knowing what you're buying starts with knowing who roasted it. Browse specialty roasters and compare shelf coffee to what a roaster ships fresh.

8 min read · May 2026

The Coffee Aisle Versus the Roaster: What You're Actually Buying

Shelf-stable commodity coffee and fresh specialty coffee are barely the same product — here is how the math and the cup line up.

The price difference between a bag of supermarket coffee and a bag from a specialty roaster looks intimidating until you do the math. The gap in what you are drinking is much wider.

9 min read · May 2026

What "Third Wave Coffee" Actually Means

First, second, and third wave in plain language — origin, roast style, freshness — and whether the label still helps you pick a cup.

You've probably heard the phrase. Like most useful terms that get popular, it stopped meaning much in particular as it spread. Worth knowing what it originally meant.

9 min read · May 2026

Decaf Is Not What Most People Think It Is

Decaf contains caffeine. The four decaffeination methods produce different results. Here is what is actually in your cup.

Two assumptions about decaf are wrong almost universally. The first is that decaf contains no caffeine. It does. The second is that all decaf is made the same way. It is not.

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