
What's Fermenting?
Workshops, tastings & gatherings from our collective of fermentation projects.
What's Fermenting — Recurring
Every Friday
After School! L'apéro du développement durableOctober 17
Launch of the Urban FermentorySeptember 2026

Workshop: Kimchi (Classic & Local Variants)
Discover the history and techniques behind Korea’s most iconic fermented dish. During this hands-on workshop, you will prepare both a traditional kimchi and a seasonal local variation using vegetables from Brussels and beyond.
October 2026

Wild Ale Tasting
Discover the wild side of beer with Brettanomyces as our guide. An evening tasting 7 to 8 rare Brussels bottles alongside international wild ales, exploring spontaneous fermentation, ageing and the many flavours Brett can create.

Workshop: Kimchi (Classic & Local Variants)
Discover the history and techniques behind Korea’s most iconic fermented dish. During this hands-on workshop, you will prepare both a traditional kimchi and a seasonal local variation using vegetables from Brussels and beyond.

Workshop: Introduction to Koji
Meet the microscopic fungus at the heart of Japanese fermentation traditions. Together, we will discover how koji transforms grains and legumes into products such as miso, soy sauce, sake, and amazake.

Ramen
Learn how to prepare authentic Japanese ramen from scratch, from the broth to the toppings. A workshop dedicated to one of Japan’s most iconic dishes.

Workshop: Make Your Own Kombucha (ENG / NL / FR)
Learn how to brew kombucha from scratch and understand the science behind this sparkling fermented drink. We will taste different styles, work with SCOBYs, and prepare a batch for you to continue fermenting at home.
Workshop: Waterkefir
Discover the wonderful world of waterkefir. Learn exactly what waterkefir is, how to make it yourself and how to look after your kefir grains properly. You’ll also have the chance to discover and taste different flavours. A fun, accessible workshop for anyone curious about this fizzy, fermented and natural drink.

Workshop: Fermented Hot Sauce (ENG / NL / FR)
Dive into the world of chilli peppers and fermentation while creating your own unique hot sauce. Along the way, we will explore different pepper varieties, fermentation techniques, and hot sauce traditions from around the world.

Workshop: Kimchi (Classic & Local Variants)
Discover the history and techniques behind Korea’s most iconic fermented dish. During this hands-on workshop, you will prepare both a traditional kimchi and a seasonal local variation using vegetables from Brussels and beyond.
Workshop: Waterkefir
Discover the wonderful world of waterkefir. Learn exactly what waterkefir is, how to make it yourself and how to look after your kefir grains properly. You’ll also have the chance to discover and taste different flavours. A fun, accessible workshop for anyone curious about this fizzy, fermented and natural drink.
November 2026

Workshop: Introduction to Koji
Meet the microscopic fungus at the heart of Japanese fermentation traditions. Together, we will discover how koji transforms grains and legumes into products such as miso, soy sauce, sake, and amazake.

Bi-yearly Geuze tasting
Our twice-yearly celebration of spontaneous fermentation returns with a selection of gueuzes and lambics. Taste rare bottles and discover the history of Brussels' brewing heritage.

Workshop: Make Your Own Kombucha (ENG / NL / FR)
Learn how to brew kombucha from scratch and understand the science behind this sparkling fermented drink. We will taste different styles, work with SCOBYs, and prepare a batch for you to continue fermenting at home.

Workshop: Fermented Hot Sauce (ENG / NL / FR)
Dive into the world of chilli peppers and fermentation while creating your own unique hot sauce. Along the way, we will explore different pepper varieties, fermentation techniques, and hot sauce traditions from around the world.

How to Escape Coffee: A Degustation Workshop Exploring Alternatives Through Heritage and Ecology
Coffee is part of our everyday lives, but its history and ecological footprint reach far beyond the cup. Through a guided tasting, we will explore coffee alternatives and forgotten brews made from ingredients such as chicory, barley, acorns, dandelion and fermented grains, looking at how heritage, flavour and ecology can help us rethink what we drink.

Workshop: Make Your Own Kombucha (ENG / NL / FR)
Learn how to brew kombucha from scratch and understand the science behind this sparkling fermented drink. We will taste different styles, work with SCOBYs, and prepare a batch for you to continue fermenting at home.
Visite de l'hydromellerie et dégustation d'hydromel
Private event
Workshop: Waterkefir
Discover the wonderful world of waterkefir. Learn exactly what waterkefir is, how to make it yourself and how to look after your kefir grains properly. You’ll also have the chance to discover and taste different flavours. A fun, accessible workshop for anyone curious about this fizzy, fermented and natural drink.

Workshop: Kimchi (Classic & Local Variants)
Discover the history and techniques behind Korea’s most iconic fermented dish. During this hands-on workshop, you will prepare both a traditional kimchi and a seasonal local variation using vegetables from Brussels and beyond.
December 2026

Workshop: Vinegar Making (From Classic Wine Vinegars to Infused Beer Vinegars)
Explore the fascinating world of vinegar, from age-old wine vinegars to more experimental creations made with Belgian beers and seasonal ingredients. You will learn the basics of acetic fermentation and leave with your own mother culture.

Workshop: Introduction to Koji
Meet the microscopic fungus at the heart of Japanese fermentation traditions. Together, we will discover how koji transforms grains and legumes into products such as miso, soy sauce, sake, and amazake.
Workshop: non-alcoholic Drinks
Enjoying a delicious non-alcoholic drink in a different way? During this workshop, you’ll discover how to make your own natural non-alcoholic drink. We’ll explore different ingredients and flavours and, make the drinks and of course… taste them!

Workshop: Fermented Hot Sauce (ENG / NL / FR)
Dive into the world of chilli peppers and fermentation while creating your own unique hot sauce. Along the way, we will explore different pepper varieties, fermentation techniques, and hot sauce traditions from around the world.

Workshop: Fermented Hot Sauce (ENG / NL / FR)
Dive into the world of chilli peppers and fermentation while creating your own unique hot sauce. Along the way, we will explore different pepper varieties, fermentation techniques, and hot sauce traditions from around the world.

Saké degustation
Travel through Japan’s brewing traditions with a curated tasting of artisanal sakés. Discover different styles, production methods and pairings throughout the evening.

Workshop: Kimchi (Classic & Local Variants)
Discover the history and techniques behind Korea’s most iconic fermented dish. During this hands-on workshop, you will prepare both a traditional kimchi and a seasonal local variation using vegetables from Brussels and beyond.
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