How to Make Sauerkraut (Bulgarian Recipe)

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This homemade sauerkraut recipe is crunchy, tangy, and packed with probiotics. It’s a simple lacto-fermented cabbage recipe that’s been loved for centuries. And now you can easily learn how to make sauerkraut in your own kitchen.

Making sauerkraut is not rocket science. Well, you must follow some rules. As there are living species, cleanliness is crucial to avoid spoiling the results. You will need a jar, a sharp knife, and salty water (brine made from filtered or boiled/cooled water), and that’s it.

Unlike the mixed fermented vegetables and fermented beetroot and cauliflower, sauerkraut requires an extra step: massaging the cabbage with salt until it releases liquid. Both use the same wild-fermentation process, but the textures and flavors are distinct.

For another probiotic-rich food, be sure to check out my tutorial for Bulgarian yogurt.

How to Make Probiotic Sauerkraut at Home (Traditional Bulgarian Method)

The process of fermentation transforms cabbage into a probiotic-rich food, enhancing its nutritional profile. In Bulgaria, where I grew up, sauerkraut is much more than just a side dish. It’s a tradition. Every autumn, families prepare large barrels of cabbage that ferment naturally and last throughout the winter.

The tangy crunch of sauerkraut is found in countless Bulgarian recipes, from hearty stews to stuffed cabbage leaves and warming soups.

I must confess, though – as a child, I absolutely hated it! The sharp smell and sour taste didn’t appeal to me back then. But like many traditional foods, it grew on me as I got older.

Now I treasure it not only for its unique flavour but also for its health benefits and the connection it gives me to my roots. It’s one of those foods that carries history, family, and culture in every bite.

A Little History of Sauerkraut Fermentation

Sauerkraut is most famously associated with German cuisine; it is not surprising that the word means “sour cabbage”. However, its roots actually go back thousands of years.

It was first made in China when labourers built the Great Wall and fermented cabbage in rice wine. From there, it travelled across continents and became a staple in many European countries.

Sauercraut is widely popular in Eastern Europe and the Balkans. Bulgarian variations often include spices such as caraway seeds or dill, which add depth to the flavor. Many families pass down their own recipes, making each batch unique and infused with personal stories.

What Is Lacto-Fermentation and Why It Matters for Sauerkraut

It’s important to understand the difference between wild fermentation and pickling:

Pickling – Uses vinegar (or another acid) to preserve vegetables. The flavour is sharp and instant, but it doesn’t produce probiotics.

Fermentation relies on natural bacteria converting sugars into lactic acid. This creates probiotics, vitamins, and a unique depth of flavour.

Wild fermentation, also known as lacto-fermentation, is alive, dynamic, and beneficial for gut health, whereas vinegar pickles are stable but lack live cultures.

Some Science About Homemade Sauerkraut

In a 2021 follow-up to earlier migrant studies, Cabbage and Sauerkraut Consumption in Adolescence and Adulthood and Breast Cancer Risk among U.S. Resident Polish Migrant Women reported that high intake of raw or lightly cooked cabbage/sauerkraut during adolescence correlated with a significantly reduced breast cancer risk in these women.

The study’s design allowed it to capture variations in cabbage intake that persist after migrating, making it one of the more relevant modern pieces in the migrant diet cancer field.

🎗 In October, We Wear Pink – Breast Cancer Awareness!

And Some More Research:

Beyond observational epidemiology, mechanistic and integrative work has been advancing. A 2022 study characterising the microbiota and metabolites of artisanal sauerkraut showed that sauerkraut brine can modulate immune responses—promoting anti-inflammatory cytokines like IL-10, which may help dampen chronic inflammation (a cancer risk factor) in the gut.

Interestigly, In Bulgaria, sauerkraut brine left in the jar is often used as a natural hangover cure. I can’t personally vouch for it (as I don’t drink), but it’s a well-known remedy back home. Locals swear that a glass of sauerkraut brine helps with headache.

Well, it might be the power of electrolytes, which rehydrate the body after dehydration effect of alcohol drinking and settle the stomach after a night of boozing.

More broadly, recent reviews of fermented vegetables (2023–2024) emphasise that compounds produced during fermentation (like isothiocyanates, indol-3-carbinol, ascorbigen, and other breakdown products of glucosinolates) carry anticancer potential in cell and animal models, and that lactic acid bacteria may contribute through antioxidant, anti-inflammatory, and immunomodulatory actions.

However, it’s important to stress that these newer studies are largely observational or mechanistic, not definitive proof. They strengthen biological plausibility and are consistent with evidence from older migrants, but leave room for confounding and further research.

Sauerkraut Fermentation Equipment

• Fermentation jars with lids and weights – these are perfect for small batches. If you want a bigger batch, simply double or triple the recipe and use larger jars.
• Sharp knife
• Wooden board

Homemade Sauerkraut Ingredients

Cabbage – The star of the show. White cabbage is classic, while red cabbage gives a vibrant colour and a slightly sweeter taste. Both are rich in vitamin C, vitamin K, and dietary fibre.

Sea salt – Essential for safe fermentation. Salt prevents harmful bacteria from taking over and encourages the beneficial lactobacilli to thrive. Avoid table salt with anti-caking agents.

Water – Use filtered or boiled and cooled water. Chlorine in tap water can interfere with fermentation.

Step-by-Step: How to Make Sauerkraut at Home

Prepare the cabbage – Remove the outer leaves and set one aside for later. Slice the cabbage finely with a sharp knife or mandoline.

Massage with salt – Place the cabbage in a large bowl, sprinkle over 2 tbsp of sea salt, and massage firmly with your hands for 5–10 minutes until the cabbage softens and releases liquid. This is its natural brine.

Pack into jars – Transfer the cabbage into sterilised glass jars, pressing it down firmly with your fist or the back of a spoon. The goal is to remove air pockets and submerge the cabbage in its liquid. Top up with a 3% brine (30 g salt per litre of water).

Weigh it down – Cover the top with the reserved cabbage leaf and place a small, sterilised weight (a glass disc or even a smaller jar) to submerge the cabbage.

Ferment at room temperature – Cover loosely with a lid and leave the jar on your kitchen counter, away from direct sunlight. Fermentation takes about 5–7 days, depending on the room temperature and your taste preference.

Taste and store – Start tasting after day 5. When the sauerkraut is tangy and to your liking, seal the jar and store it in the fridge, where it will continue to ferment slowly and last for months.

Tips for Success

• Cleanliness is key: always sterilise your jars and tools with boiling water.
• All cabbage must stay submerged – oxygen encourages mould.
• Fermentation works best at 18–22°C.
• Don’t worry if you see bubbles or hear fizzing – that’s a good sign of active fermentation.

Why Homemade Sauerkraut Is Worth the Effort

This is one of the most rewarding ferments you can make. Sauerkraut is loaded with probiotics that support gut health, vitamin C and K to boost your immune system, and fibre to keep digestion regular. Plus, it’s versatile – delicious in salads, sandwiches, alongside grilled meats, or as a tangy topping for roasted veggies.

Serving Ideas – Bulgarian Dishes with Homemade Sauerkraut

In Bulgaria, sauerkraut isn’t just a side dish – it’s at the heart of many traditional meals. Here are a few classic ways we enjoy it back home:

Sarmi (Stuffed Cabbage Rolls) – Fermented cabbage leaves are used instead of fresh ones, stuffed with rice and mince (or sometimes just rice, onions, and herbs for a vegetarian version), then simmered slowly in a tomato sauce. They’re a must-have for Christmas Eve in many households.

Kapama is a rustic, hearty dish from the Pirin mountain region. It’s layered with different meats (usually pork, chicken, and sausage), sauerkraut, rice, and spices. It’s baked slowly in a clay pot until everything is tender and infused with the cabbage’s sour tang. Coming soon!

Pork medallions with sauerkraut are our home favourite dish, often served at our table, especially in the winter months. Coming soon!

Sauerkraut Soup (Zeleva Supa) – A warming winter soup made with sauerkraut, onions, paprika, and sometimes bits of pork. It’s simple but so comforting when the weather turns cold.

Side Dish with Roasts – Sauerkraut pairs beautifully with roasted meats, especially pork chops or oven-baked duck breasts, cutting through the richness with its fresh tang.

For me, these dishes bring back memories of chilly Bulgarian winters, family gatherings, and that unmistakable aroma of sauerkraut simmering away in the kitchen.

Homemade Sauerkraut FAQs

1. How salty should sauerkraut taste?
It should taste pleasantly salty, not overpowering. The saltiness mellows as it ferments.

2. My sauerkraut smells sour – is that normal?
Yes, a tangy, slightly sour aroma is exactly what you want. If it smells rotten or unpleasantly putrid, discard it.

3. Do I need to burp the jars?
If you use regular jars with lids, open them slightly daily to release gas. If you use fermentation lids, this step isn’t needed.

4. How long can I store sauerkraut?
Properly fermented and refrigerated sauerkraut lasts up to 6 months.

5. Can I add other vegetables?
Absolutely. Carrots, garlic, or ginger add great flavour.

6. Is sauerkraut good for everyone?
Most people tolerate it well, but if you’re new to fermented foods, start with small amounts to avoid digestive discomfort.

Nutrition (per 100g)

• Calories: 19 kcal
• Protein: 1 g
• Carbohydrates: 4 g
• Fibre: 2.9 g
• Fat: 0 g

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