Fermentos - Basque Culinary Center

The definitive reference book on fermentation techniques, covering all core principles alongside the latest methods and emerging trends.

Fermentation is a remarkable collaborative process that has left a profound mark throughout human history, driven by the invisible and collective action of diverse microorganisms, guided to varying degrees by human intervention.

This book examines fermentation as an act of transformation through the lens of the gastronomic sciences, enabling readers to understand how bacteria, yeasts, and enzymes interact with ingredients and processes to create distinctive flavors, aromas, and textures, while also supporting food preservation, enhancing nutritional value, and offering sustainable solutions for contemporary food systems.

Since ancient times, cultures around the world have refined fermentation techniques at the heart of iconic foods—from bread and wine to yogurt, kimchi, sauerkraut, and miso, among many others. Amid the current revival of this ancestral knowledge, fermentation has become a fertile field of experimentation for both enthusiasts and professionals alike, where the only true limits lie in the boundaries of human imagination.

Developed in collaboration with the Basque Culinary Center and leading experts from both the scientific community and the culinary avant-garde, this book provides methodologies and practical tools for crafting your own ferments, as well as references rooted in both tradition and innovation to stimulate creative exploration. We invite you to delve into the mysteries and wonders of this extraordinary field of experimentation and, above all, to reconsider fermentation not merely as a technique, a product, or a body of knowledge, but as the expression of a deep, shared evolutionary relationship—one that today unfolds as a dynamic and inspiring discipline where everyday ingredients are transformed into landscapes of flavor, life, and diversity.

Authors: Diego Prado, Cipriano Carrero, Eneko Izkue, Laura Ann Montaño, Esther Merino, John Regefalk, Etxahun Unzueta, and Laura Vázquez