Mai Pham
Hot water poured over coffee grounds in a dripper.

October 24, 2026 · 12 min

Why your coffee tastes sour or bitter

Slow Cup

A short letter every Sunday about coffee at home: one thing to brew, one thing to taste and one habit to try this week.

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More videos

November 2026

1 video

  1. How to taste coffee at home

    Bowls, spoons and a few words to describe what is in the cup.

    Overhead view of bowls and spoons set for a coffee tasting.

October 2026

1 video

  1. Weighing your coffee and water

    A small scale, a ratio and why measuring beats guessing.

    A printed brewing workbook open beside a scale and timer.