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How to make sauerkraut?

How is Sauerkraut Made?

Written by: EVONNE MORRISON

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Time to read 7 min

How is Sauerkraut Made? 

Introduction

Welcome to our cosy corner of the internet! As a small business owner and fermentation enthusiast, I'm thrilled to share the art and science of making sauerkraut with you. This traditional dish, beloved for its tangy flavor and health benefits, is easier to make than you might think. Let's dive into the wonderful world of sauerkraut, exploring the fermentation process and the myriad of benefits it offers.


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  • We have been selling our sauerkraut UK-wide since 2018

  • We're the most awarded sauerkraut brand in the UK

  • We are passionate about fermentation and gut healthy foods


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How Is Sauerkraut Made?

The Basics of Sauerkraut

SAUERKRAUT


Sauerkraut, a German word meaning "sour cabbage," is simply fermented cabbage. The magic of sauerkraut lies in its simplicity—just cabbage and salt. The fermentation process transforms these humble ingredients into a probiotic-rich superfood that can enhance your gut health and add a delightful zing to your meals.


How is sauerkraut made?

Pros to Homemade Sauerkraut:

  • Customisation: Homemade sauerkraut allows you to experiment with flavours by adding different vegetables, spices, and herbs to suit your taste preferences.
  • Cost-Effective: Making sauerkraut at home is generally more cost-effective than buying it from the shop, especially if you regularly consume it..

Cons:

  • Time-Consuming: The fermentation process takes time, typically ranging from 2 to 6 weeks. This means you need to plan ahead and be patient, whereas shop-bought sauerkraut is ready to use immediately.
  • Initial Setup and Space: Making sauerkraut at home requires some initial setup, including purchasing fermentation vessels, weights, and possibly additional equipment. You also need to have space at home to store the fermenting jars.
  • Risk of Improper Fermentation: There’s a learning curve to fermenting sauerkraut at home. If not done correctly, you risk spoilage, mold, or an undesirable taste. Proper hygiene, the right salt concentration, and maintaining an appropriate fermentation environment are crucial, and mistakes can result in wasted ingredients.

Must Have Sauerkrauts

The Fermentation Process in Making Sauerkraut: From Raw Cabbage to Tangy Delight

Understanding the fermentation process involved in homemade sauerkraut will not only help you appreciate this traditional food but also ensure your homemade sauerkraut is top-notch.

  1. Preparation: First, we start with fresh, crisp cabbage. It's crucial to use high-quality cabbage for the best results. The cabbage is finely shredded and mixed with Celtic Sea salt or pink Himalayan salt. The salt draws out water from the cabbage through osmosis, creating the brine that is essential for fermentation.
  2. Submersion and Anaerobic Environment: Once the cabbage is thoroughly salted and massaged, it is packed tightly into a fermentation vessel. This could be a glass kilner jar with clip top lid or one with an airlock valve. The key is to ensure the cabbage is fully submerged in its own brine, creating an anaerobic (oxygen-free) environment. This is crucial because it prevents the growth of undesirable bacteria and molds.
  3. Fermentation Begins: In this anaerobic environment, naturally occurring lactic acid bacteria on the cabbage's surface begin to thrive. These beneficial bacteria, such as LeuconostocLactobacillus, and Pediococcus, convert the sugars in the cabbage into lactic acid. This process, called lactic acid fermentation, gradually lowers the pH, creating an acidic environment that preserves the cabbage and gives sauerkraut its characteristic tangy flavour.
  4. Monitoring and Patience: The fermentation process typically takes 2 to 6 weeks, depending on the ambient temperature and your taste preference. Warmer temperatures speed up fermentation, while cooler temperatures slow it down. During this period, it's important to regularly check that the cabbage remains submerged in the brine to prevent spoilage.

This simple yet magical process not only enhances the flavour of the cabbage but also boosts its nutritional value by increasing the availability of vitamins and introducing beneficial probiotics . Happy fermenting! 


How is sauerkraut made?

"Fermentation is life without oxygen."

Burton J. Hendrick, 'Some Modern Ideas on Food'

HEALTH BENEFITS OF SAUERKRAUT

Health Benefits of Sauerkraut 


  • Probiotic Powerhouse: Sauerkraut is teeming with beneficial bacteria, especially Lactobacillus. These probiotics can help balance your gut microbiome, improving digestion and boosting your immune system. According to a study published in the journal Nutrients, probiotics can enhance gut health by increasing the diversity of gut flora and reducing inflammation .

  • Rich in Nutrients: Cabbage is already a nutritious vegetable, but fermentation enhances its health benefits. Sauerkraut is an excellent source of vitamins C and K, as well as fiber. Vitamin C is crucial for immune function, while vitamin K is essential for bone health and blood clotting.
How is sauerkraut made?

Health Benefits of Sauerkraut 


  • Digestive Health: The fermentation process breaks down cabbage, making it easier to digest. Sauerkraut also contains enzymes that aid in the digestion of other foods. Regular consumption can help prevent constipation and promote regular bowel movements.

  • Antioxidant PropertiesFermented foods like sauerkraut are rich in antioxidants, which can protect your cells from damage caused by free radicals. This can help reduce the risk of chronic diseases such as heart disease and cancer. 
How is sauerkraut made?

Our Multi-Award Winning Superkraut

Tips for Successful Fermentation 

  1. Use Fresh Ingredients: Fresh cabbage will yield the best results. Avoid using old or wilted cabbage.
  2. Cleanliness is Key: Ensure all equipment is thoroughly cleaned to prevent unwanted bacteria from contaminating your sauerkraut.
  3. Maintain Proper Temperature: Fermentation is temperature-sensitive. Too cold, and it will take longer to ferment; too hot, and it may spoil. Aim for a consistent, moderate temperature.
  4. Keep It Submerged: The cabbage must remain submerged in its brine to prevent mould growth. If you see mould on the surface, carefully remove it. If the sauerkraut smells off or has an unusual colour, it's best to discard it.
  5. Experiment with Flavours: Once you're comfortable with the basic recipe, try adding other vegetables or spices. Carrots, caraway seeds, and garlic are popular additions. 
How to make sauerkraut?

Our multi award winning Sauerkraut 'Superkraut' range
 

  • Red Hot Firekraut (Spicy)
  • Turmeric & Ginger
  • Supergreens with Spirulina

Each of our Superkrauts taste unique from one another, with a variety of different vegetables used in each.

"Fermentation is a rebellion against the industrial food system."

Sandor Katz, Wild Fermentation

Conclusion

Making sauerkraut at home is a rewarding process. With just cabbage, salt, and a bit of patience, you can create a nutritious, probiotic-rich food that supports your digestive health and adds a burst of flavour to your meals. Whether you're new to fermentation or a seasoned pro, sauerkraut is a fantastic addition to any kitchen.

I hope this comprehensive guide has inspired you to try your hand at making sauerkraut. Embrace the process, and enjoy the journey of creating your own fermented masterpieces. Happy fermenting! 

Pros and Cons to making sauerkraut at home

The essentials of successfully making homemade sauerkraut and fermenting at home

The health benefits of homemade sauerkraut

If you want to find out more or buy from our Superkraut range, you can check out more on our store

Fermentation expert Evonne Morrison

The Author: Evonne Morrison

Evonne Morrison is a dedicated fermented food expert and small business owner. After experiencing her own issues with gut health, she is passionate about creating foods which improve the gut health of her customers.

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Frequently Asked Questions

How do I ensure my sauerkraut ferments properly and doesn't spoil?

To ensure proper fermentation and avoid spoilage, follow these tips:

  • Use fresh cabbage to get the best results.
  • Use the correct amount of salt (generally 1.5 - 2% of overall weight of ingredients) to create an environment conducive to the growth of beneficial bacteria.
  • Keep the cabbage submerged in its own brine to prevent mould growth. Use a weight to keep the cabbage under the brine.
  • Maintain a consistent temperature of around 14-22°C during fermentation.
  • Use clean equipment to avoid introducing unwanted bacteria.

What type of salt should I use for making sauerkraut?

For best results use Celtic sea salt or pink Himalayan salt, as both ensure a more consistent and successful fermentation process. Avoid table salt or any with 'anti-caking agent' in it.


How long should I ferment my sauerkraut, and how do I know it's ready?

Fermentation time can vary based on the temperature and your taste preference, but typically it takes between 2 to 6 weeks. It’s ready when it has reached your desired level of tanginess. The longer it ferments, the more sour it will become. Store it in the refrigerator once it reaches the flavour you like to slow down the fermentation process.

What do I do if my sauerkraut develops mould or has an off smell?

If you see mould on the surface, carefully remove it and any affected cabbage below it. As long as the sauerkraut beneath the brine looks, smells and tastes fine, it should be safe to eat. However, if your sauerkraut has an off smell, unusual colour, or if the mould has infiltrated the cabbage, it’s best to discard it and start a new batch. Proper submersion and clean equipment help prevent these issues.

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