Fermentation Flask / Yoghurt Maker

$69.90
Tax included

This Yoghurt Maker from Culture Cupboard is great for making homemade yoghurt - without the need for an electric yoghurt maker. It also helps maintain a steady fermentation temperature year-round, protecting kefir and cultures from cold winter nights and fluctuating summer heat.

The insulated flask includes a glass jar and recipe booklet with instructions for both dairy and dairy-free yoghurts, making it an easy and energy-efficient tool for home fermentation.

Quantity
In stock

  Security policy

Secure credit card, bank transfer or POLi payment!

  Delivery policy

Proudly support NZ Post/CourierPost!

  Return policy

We exchange or refund if you are not happy!

Guarantee safe & secure checkout

The Culture Cupboard Yoghurt Maker is a beautifully simple, electricity-free way to create consistent fermentation temperatures for kefir, yoghurt, cultured dairy, and other ferments throughout the year.

Its double-walled vacuum-insulated stainless steel design helps maintain stable warmth, protecting your cultures from cold winter nights and excessive temperature fluctuations during summer. This creates a more reliable fermentation environment and helps support strong, active cultures.

Perfect for:

  • Milk kefir
  • Dairy yoghurt
  • Dairy-free yoghurt
  • Labneh and Greek yoghurt
  • Soft cheeses
  • Sour cream
  • Cultured butter
  • Other gentle ferments

Unlike electric yoghurt makers, this system requires no power, no cords, and no ongoing energy use - making it an elegant low-tech solution for everyday fermentation.


Pack contents

  • Double-walled vacuum insulated stainless steel fermenting flask
  • Heavy-duty glass preserving jar
  • Stainless steel jar lid
  • 42-page recipe and instruction booklet

Included recipes & guidance

The included recipe booklet contains detailed instructions and recipes for both dairy and dairy-free fermentation, including:

Dairy-free yoghurt recipes

  • Coconut yoghurt
  • Almond yoghurt
  • Cashew yoghurt
  • Soy yoghurt
  • Homemade nut milk yoghurt blends

Dairy-based recipes

  • Probiotic yoghurt
  • Lactose-free yoghurt
  • Sour cream
  • Cultured butter and buttermilk
  • Labneh
  • Greek yoghurt

The booklet also includes practical fermentation tips to help you achieve thick, creamy, successful ferments at home.


Special design features

  • Suitable for kefir, yoghurt, soft cheeses, and fermented foods
  • Holds heat effectively for stable fermentation temperatures
  • Compact and easy to store
  • Simple to clean and use
  • Plastic-free and electricity-free design
  • Durable stainless steel construction

A practical, low-waste fermentation system designed for home fermenters wanting reliable results with minimal equipment.

External dimensions:
13 cm × 20 cm
(W 5.11" × H 7.87")

Ingredients: 1x Fermentation Flask, 1x glass jar, 1x recipe booklet for a range of yoghurts

Customer Reviews

Based on 2 reviews
Write your review !
Janice on  Nov 9, 2022

Very pleased

My yogurt maker + kit arrived yesterday and I am so pleased with it. It's excellent and thank you for your wonderful products and service.

Cushla on  Jan 15, 2020

Love it!

I love the doubled walled thermos for the yoghurt, no guess work required! It also makes it very easy to take with me when on holiday.

You might also like

Dairy Thermometer

$15.90

Instant-read stainless steel dairy thermometer for kefir, yoghurt, and cheese making. No batteries required, simply place it in milk for accurate, real-time temperature readings.

Designed by KoruKai Herb Farm, drawing on over a decade of hands-on experience in cheesemaking and dairy fermentation, it reflects practical, real-world needs in a working kitchen.

13.5 cm long with clip for easy pot or jar attachment.

16 other products in the same category:

Lacto-Fermentation Guide

$19.90

Learn how to make delicious, probiotic-rich sauerkraut, kimchi, pickles, and fermented vegetables at home with our comprehensive Lacto-Fermentation Guide.

Drawing on more than 10 years of hands-on fermentation experience at KoruKai Herb Farm, this practical guide teaches traditional lacto-fermentation methods to help preserve seasonal harvests while supporting gut health naturally.

Perfect for turning an abundance of cabbages, carrots, beetroot, and other vegetables into vibrant, living foods packed with beneficial microbes.

Available as:

  • Downloadable PDF
  • Printed booklet (with shipping cost)

Please choose your preferred format below.

Fermenting Airlock with ring

$9.90

Silicone fermentation airlock with stainless steel band, designed for safe, reliable lacto-fermentation. Allows gases to escape during fermentation while preventing air from entering, helping protect your ferments from spoilage.

Ideal for pickles, vegetables, and fermented drinks.

As pressure builds, gas safely vents through the airlock without allowing oxygen back in.

Diameter airlock: 8.3 cm

Also available without ring (see separate listing).

Dairy Thermometer

$15.90

Instant-read stainless steel dairy thermometer for kefir, yoghurt, and cheese making. No batteries required, simply place it in milk for accurate, real-time temperature readings.

Designed by KoruKai Herb Farm, drawing on over a decade of hands-on experience in cheesemaking and dairy fermentation, it reflects practical, real-world needs in a working kitchen.

13.5 cm long with clip for easy pot or jar attachment.

Milk Kefir Kit

$55.90

Billions of probiotics per tablespoon for gut health.

Everything you need to start making delicious, probiotic-rich milk kefir at home.

This beginner-friendly Milk Kefir Making Kit includes organic milk kefir grains, a wide-mouth glass jar, stainless steel strainer, dairy thermometer, and our comprehensive Milk Kefir eGuide with step-by-step instructions.

A simple and affordable way to make fresh kefir again and again from your own kitchen.

An additional glass jar for keeping ready kefir milk in the fridge can be purchased here: 500ml glass jar.

Shipment of fresh milk kefir grains every Monday (or Tuesday if Monday is a public holiday). Orders and payments need to be in by 4pm Saturday to get shipped the following Monday.

Fermentation, Microbiome and Gut Health...

$149.00
Add to cart

Fully booked! To go onto the waiting list please sign up below. 

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.

Date: Saturday, 2nd May 2026
Time: 10am-2:30pm

Location: KoruKai Herb Farm, Pigeon Bay, Banks Peninsula
1 hour from Halswell, Carpooling from Chch is usually possible.


Wholesome lunch included!


Please find Terms & Conditions as well as our cancellation policy here. When signing up for this workshop you automatically agree to the Terms & Conditions. Please make sure to read them.

Water Kefir Guide

$9.90

This guide covers all the essentials you need to create delicious, probiotic, and naturally fizzy water kefir sodas at home. Learn how to successfully make both the first and second ferment, along with flavouring ideas, recipes, and helpful tips for creating delicious homemade kefir sodas.

Perfect for beginners and experienced fermenters alike.

Available as:

  • Downloadable PDF
  • Printed booklet (A5, with shipping cost)


Please choose your preferred format below.

If purchasing our KoruKai  Water Kefir Grains or our Water Kefir Kit this Guide as pdf is included with your purchase.

Fermenting Airlock

$6.90

Silicone fermentation airlock for safe, reliable home fermenting. Allows gases to escape while keeping oxygen out, helping protect your pickles, vegetables, and drinks during lacto-fermentation. Reusable, durable, and dishwasher safe. Available in blue, green, purple, red/pink, and white.

Diameter: 8.3 cm

Also available with stainless steel ring (see separate listing).

Fermentation Pack

$75.90

Everything you need to start fermenting at home with confidence. This complete Fermentation Pack includes essential tools for safe, consistent lacto-fermentation—perfect for beginners and experienced fermenters alike.

Includes a fermentation pounder, fermenting weight, airlock system, 1L preserving jar with stainless steel compound lid, and a comprehensive eGuide.

Additional Fermentation Jars with airlock and weight can be purchased here.

Cheesecloth - Organic Cotton

$15.90

A must-have for cheesemaking and dairy fermentation.

This high-quality cheesecloth is made from certified organic cotton and is ideal for straining curds, making kefir cheese, yoghurt cheese, labneh, soft cheeses, and other cultured dairy products.

Reusable, washable, and free from synthetic fibres, it provides excellent drainage while remaining gentle on delicate curds.

Size: 1.5m × 1m

Fermenting Weight

$9.90

Heavy-duty glass fermentation weight designed to keep vegetables fully submerged during lacto-fermentation. Fits most standard wide-mouth preserving jars including Mason, Kilner, Ball, and Agee jars. Easy to clean, reusable, and dishwasher safe.

Size: 70mm diameter x 25mm depth
Weight: 170g ±10g

Always measure the top diameter of your jar before placing an order. Make sure that the diameter does not get narrower further down.

Water Kefir Grains

$19.90

Grow your own refreshing, fizzy probiotic drink at home with our organic water kefir grains.

We use only certified organic ingredients and filtered spring water to cultivate healthy, active grains.

Water kefir is a reusable, perpetual culture that can be used again and again to brew naturally sparkling drinks that support digestive health.

Choose from:

  • 3 Tbsp fresh water kefir grains
  • 1 Tbsp dried water kefir grains


Each portion makes approximately 1 litre of probiotic water kefir every 24-48 hours.

Includes our comprehensive Water Kefir eGuide packed with instructions, tips, and recipe inspiration.

For best results, we recommend feeding your grains with our Water Kefir Complete Food.

Fresh water kefir grains are shipped every Monday (or Tuesday following a public holiday). Orders must be placed and paid for by 4 pm Saturday for shipment the following week.

Kefir Strainer

$15.90

Stainless steel fine-mesh strainer designed for separating milk and water kefir grains from finished kefir. Durable, easy to clean, and ideal for everyday fermentation use.

10 cm diameter compact round sieve with fine wire mesh—also suitable for general kitchen straining, sifting flour, or draining small foods.

Fermentation Pounder

$29.50

After years of fermenting at KoruKai Herb Farm, we’ve used (and tested) plenty of pounders—so we know exactly what works best.

This fermentation pounder is designed to our own specifications for efficiently pounding vegetables and tightly packing them into jars or crocks, helping release juices for successful lacto-fermentation.

Made from untreated beech wood, it is strong, natural, and comfortable to use, with a well-balanced shape for everyday kitchen fermenting.

Measurements: Length 30cm | Top diameter 4cm | Bottom diameter 6.1cm | Tapered grip approx. 3.5cm

Please note: As each pounder is handmade, slight variations in size may occur, making every piece unique.

This website uses cookies to ensure you get the best experience on our website