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Cupping

The Fermentation Project — Tasting

Saturday, 3 October 2026 · 18:00 · Flying Frog · Locus adhuc ignotus

One Guatemalan coffee, four fermentations, one very curious frog. We are joining James Hoffmann and Lucia Solis' global tasting — where we are pouring is still a secret, even to us.

Where

Flying Frog
Locus adhuc ignotus

About the project

The Fermentation Project takes a single lot from Finca San Miguel Urias in the Antigua Valley, Guatemala, and processes it four ways: a control, a wild ferment, a Lactobacillus ferment and a Saccharomyces yeast ferment. Same farm, same harvest, same roast. Only the microbes change.

We brew all four side by side, taste along with the worldwide livestream on 3 October, and argue politely about which one is the frog's favourite. No experience needed — if you can slurp from a spoon, you can cup.

Kits are limited. Bowls, spoons, water and opinions are provided.

Want a seat, or want the Frog to pour at your place?

Write to us