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The vast use of antibiotics and the chemicals in our food, even tiny traces of Roundup, destroy the balance in our intestine and bad bacteria take hold. The reestablishing of healthy bacteria is very difficult and can take months and even years.

Our microbiome is utterly complex. 70% of our immune system resides in the gut. The microbiome has many functions and even regulate our hormones.
We will discuss our microbiome in detail and show you many ways how to improve it through diet and lifestyle.

A vegetable ferment promotes the growth of healthy flora throughout the intestine. Each participant will prepare a ferment with fresh, organic vegetables on the day to take home.

We will enjoy a light lunch with fermented foods, herbs, fermented dairy and vegetables. The lunch is vegetarian with dairy, eggs and vegetables from KoruKai Herb farm. If you have dietary restrictions or allergies, please get in touch.

We will also learn how to make probiotic yoghurt, Greek yoghurt, vegan coconut yoghurt, milk kefir and a simple, fresh cheese brimming with billions of healthy gut bacteria.

This is an informative workshop for anyone interested in healthy food. No cooking skills are required. You will walk away with some easy recipes that you can implement in your own kitchen using basic equipment.


  • Our complex microbiome
  • Art and science of fermenting vegetables
  • Making a vegetable ferment
  • Water Kefir
  • Milk Kefir
  • Vegan coconut yoghurt
  • Probiotic dairy yoghurt, Greek yoghurt and simple yoghurt cheese

What you will get:

  • Fermentation Booklet with information and recipes
  • 500g (approx.) of vegetable ferment to take home
  • Up to 25% off fermentation equipment (jars, glass weights, airlocks, wooden pounder)
  • Nutritious and delicious lunch with a selection of handcrafted goodies from the farm

More information on the benefits of fermented vegetables: here

Tutor: Cornelia Holten
MEd (Integrative Learning), Certificate in Organic Horticulture and Herbal Medicine
Cornelia is an herbalist and slow food educator with a passion for simple living, DIY, herbs and self-sufficiency. A certificate in Organic Horticulture, the Soil Food Web, an Apprenticeship in Herbal Medicine and living on a farm in Pigeon Bay equip her with a lot of knowledge and experience with growing food and living a healthy life. She is teaching workshops on sustainable food systems, whole foods, fermentation, primal diets and organic gardening. A thirst for knowledge and a passion for new scientific studies keep her well informed on those topics.

Fermentation Workshop Teacher says Stinging Nettle Weed a "True Superfood" (press article)

Data sheet

information and practical knowledge
Leonie 13/06/2022

Fermentation/microbiome Workshop

Wonderful and very inspiring day at Korukai.... So much to learn and explore... Looking forward to making more ferments and experimenting with yoghurt making....Very cool and much appreciation to Cornelia and Kai for sharing their passions and knowledge with us all. Very cool!

Sue Ritchie 12/06/2021

Fabulous Fermentation

I loved learning about how to look after my gut and others. Pounding the food was so primal and great. Looking forward to making some of my own coconut yoghurt ! Thanks Cornelia and Kai. Your story, passion, and home are an inspiration Well done

Clare Rea 26/09/2020


Thank you for such a fabulous informative day. I thoroughly enjoyed the day and will continue to ferment and make yoghurt/cheese etc. My next fermentation tomorrow will be lemons and make my first yoghurt. Thank you

Tania T 06/07/2020

Great day out

Cornelia is very knowledgeable and I really enjoyed the workshop, it was very well run and Cornelia and her husband Kai are a great team. Thank you for sharing your home and your skills with us.

Ann-Clare McGregor 06/07/2020

I love fermentation!

What a fantastic workshop! Cornelia is a great facilitator. With her warm nature and her wealth of knowledge about food I have come away so inspired to make changes to the way I eat. Highly recommend this workshop! Learnt so much, met lovely people and ate such fresh and delicious food ...Thank you Cornelia and whanau

Marion P 06/07/2020

Excellent workshop

This workshop is a must do for anyone interested in nutrition and how fermented goods can improve your gut’s health. Cornelia will also explain why it is important to activate seeds & grains, and how to make simple and tasty recipes at home. Everything is well organised and I especially enjoyed the hands-on part, when we get to prepare our own sauerkraut. Not to mention the delightful lunch and afternoon tea with a great selection of homemade goods :)

Tina Troup 06/07/2020

Fermentation workshop

The day was inspiring and a lot of fun, with many good things to learn about making healthy food - everything starting with creating good soil to ways to prepare living and nutritious fermented food! Really enjoyed meeting Cornelia and her family and the other workshop participants - what an interesting bunch of people! The lunch was truly wonderful too.

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