Big Sur Coffee.
Shanghai's Geisha specialist.

Big Sur is a Shanghai specialty roaster with two cafes in Xuhui District. The house doesn't chase volume or a signature blend — it chases specific lots, and roasts them light enough to keep every bit of the origin in the cup. That is a filter roaster's bet: the coffee has to be good enough to stand naked, because there is no roast flavor to hide behind.

For a member calibrating a palate, that makes Big Sur a useful reference shelf. The lineup is a tour of what washed clarity and clean naturals actually taste like at the top of the scale.

The heart of the catalog is Panama, and specifically Geisha from the Boquete highlands. Big Sur carries lots from Elida Estate (the Aguacate and Torre plots), Hacienda La Esmeralda (Noria and Bosque, the Jaramillo farm), and Finca Lerida — in washed, natural and honey versions, plus a Pacamara for range.

Washed Geisha here is jasmine, bergamot and citrus over apricot; the naturals push into pink champagne, pineapple and grape. These are the estates the rest of the specialty world benchmarks Geisha against, which is the whole point of seeing them side by side.

The counterweight to Panama is Ethiopia, mostly through Testi Coffee's washing stations — Gara Agena and the Yaye/Masincho lots in Sidama, Faysel Abdosh and Sewda in Guji. Expect white florals, jasmine, stone fruit and a jasmine-green-tea clarity that a clean wash is built to deliver.

There is an edge to the range, too: a triple-fermented washed Guji from Faysel Abdosh — anaerobic whole-cherry, then dry, then a cold-water wet ferment — that trades some of that clarity for sweet lychee and honeyed peach. It is the one lot that steps out of the Clean corner.