Washed vs Natural Ethiopian Coffee: How Processing Changes Flavour
Quick answer
Washed (wet-process) Ethiopian coffee is de-pulped and fermented to remove mucilage before drying, giving a clean, bright cup with floral and citrus notes. Natural (dry-process) coffee is dried as whole cherries on raised beds, giving heavier body, lower acidity and berry and chocolate sweetness. After terroir, processing shapes flavour more than anything else.
Processing method is the single biggest factor shaping an Ethiopian coffee's flavour profile after terroir.
Washed (Wet) Process
Cherries are de-pulped and fermented to remove mucilage before drying. The result is a cleaner, brighter cup that highlights floral and citrus notes — the classic profile of washed Yirgacheffe.
Natural (Dry) Process
Whole cherries are dried on raised beds. The extended contact with the fruit produces heavier body, lower acidity, and pronounced berry and chocolate sweetness, as in natural Harrar and Guji.