Journal

Notes from the roastery

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Four grams too many

Most bitter coffee is not over-roasted. It is over-extracted, and the usual cause is a dose a few grams heavier than the recipe. A cheap scale fixes more cups than a new grinder.

Start at 15 grams of coffee to 250 grams of water, grind like coarse sand, and pour for about three minutes. Taste, then change one thing at a time.

Water matters more than you think

Coffee is nearly all water, and hard tap water flattens the fruit in a light roast. Filtered water is the easiest improvement nobody makes.