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Texture of artisanal miso
Kin Ferments Natural Artisanal Fermentation · Portugal

time
as an
ingredient

12+
months of maturing
regenerative farming
0
additives
slow fermentation artisanal koji regenerative farming zero additives made by hand small batches made in portugal suitable for vegans slow fermentation artisanal koji regenerative farming zero additives made by hand small batches made in portugal suitable for vegans
our range

Ferments Portugal had yet to meet

View all →
Barbela Wheat Bread Miso
◆ Essential × Gleba
Miso paste · 250g
Barbela Wheat
Bread Miso
Miso soup, marinades, butter sauce
Caramelised Amazake
◆ Essential
Caramelised Amazake · 250g
Caramelised Amazake
Over yoghurt, in desserts, by the spoon
White Chickpea Miso
◆ Essential
Miso paste · 250g
White Chickpea
Miso
Soups, vinaigrettes, roast vegetables
Red Soybean Miso
◆ Premium
Miso · Limited Edition · 250g
Red Soybean Miso
12 months of fermentation, the boldest in the range
Gochujang
◆ Spicy
Chilli paste · 250g
Gochujang
Hot, smoky and deeply umami
View all products →

Never cooked with koji? Find out which one to choose →

What koji enzymes do to food →

our story
"Our aim is to bring Portuguese consumers
living foods of greater nutritional and sensory quality"
Founder of Kin Ferments
Who We Are

We began from a conviction: that Portugal has the ingredients, the climate and the tradition to make ferments of world standard.

We work at nature's pace, in small artisanal batches, with an unwavering focus on quality. We partner with small organic growers and build upcycling into our process to cut food waste.

Every product begins with a conversation with a farmer. Nothing goes into a Kin jar without being tasted first - and every batch undergoes rigorous microbiological analysis before it leaves our hands.

from the heart of Portugal
Why Fermented

A fungus that grows on plant bases and raises their nutritional value for the person eating them.

Nutrition

Koji uses grains and pulses as its energy source, releasing enzymes that raise nutritional bioavailability. More amino acids, more B vitamins, more life on the plate.

Flavour

Umami isn't added - it's cultivated. Koji fermentation builds a depth of flavour no additive can replicate. It's the difference between a good dish and one you don't forget.

Sustainability

We shorten supply chains, make use of agricultural surplus and build upcycling into how we work. Fermenting is also an intelligent answer to food waste.

Chef working with Kin ferments
Barrel fermentation A selection of aromatic herbs
How We Make It

From grain to jar: no shortcuts, no compromises.

Selection
Organic grains and pulses from small Portuguese growers. Quality begins in the field, not in the laboratory.
Inoculation
The koji (Aspergillus oryzae) grows for 40-48 hours under controlled temperature and humidity. A process that demands constant attention, day and night.
Fermentation
Days, months or more than a year in Portuguese oak barrels. Each product has its own pace - time is the only accelerant we use.
Validation
Rigorous microbiological analysis before packing. Every batch identified and traceable from field to jar.
made together

Collaborations

Mill & Bakery

Their barbela wheat bread, fermented with rice koji. It became our Barbela Wheat Bread Miso.

See the miso →
Craft beer

Kojo, Cochu and other beers fermented with koji. Two traditions that spent centuries in Portugal without crossing paths.

Artisan gelato

Amazake gelato. Fermented rice sweetens itself, with no need for added sugar.

in the kitchens of

The same jars that sit in these kitchens, in your cupboard.

Fifty Seconds Pigmeu Loco Barbela Scusa Café Clara Petisco Saloio Kanazawa
Work in a kitchen? Foodservice formats, spec sheets and samples →
Newsletter
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what's coming

New products, workshop dates and stories from Portuguese fermentation - straight to your inbox.

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Workshops & Events
Workshops and
gatherings

Hands-on fermentation sessions, guided tastings and meetings with growers. Follow us on social media for upcoming dates.

Get in touch
Working
together

Restaurants, shops, chefs or creative projects - if you'd like to make something with Kin Ferments, talk to us.

info@kinferments.com →
Kin × Gleba

Now on sale at Gleba

You'll find our jars in Gleba's shops and in their online store. If you already buy your bread there, the miso goes in the same bag - and in an online order, with bakery and pantry together, you reach free delivery much sooner.

Shop Gleba online ↗ Find a Gleba shop ↗