Keto Sauerkraut
Published March 7, 2021 • Updated February 20, 2026
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Sauerkraut is one of the easiest fermented foods you can make at home. Just cabbage, salt, and a jar. The tangy crunch is worth the wait, and it's naturally low carb with tons of probiotic benefits.
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Ingredients
1 head of cabbage
2 tablespoons salt
1 teaspoon fennel seeds
1 teaspoon coriander seeds
Step by Step Instructions
Step by Step Instructions
Shred the cabbage
Shred the cabbage into thin strips using a knife, mandoline slicer or food processor.
Add salt & seasoning
Place the cabbage shreds in a large bowl along with salt, fennel and coriander.
Press the cabbage
Press the liquid out of the cabbage by smashing it using a spoon or meat hammer. The combination of the pressing action and salt will help release the fluid from the cabbage. This will take about ten minutes.
Add to the mason jar
Add a few spoonfuls to a clean, dry mason jar. Press down the cabbage as you add it with each spoonful. Keep adding cabbage and pressing it down until the liquid rises above the cabbage and the liquid is about an inch from the top of the jar. This will allow room for expansion during fermentation.
Nutrition disclaimer
The nutrition information provided is an estimate and is for informational purposes only. I am a Doctor of Pharmacy (Pharm.D.); however, this content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician or other qualified health provider before making any lifestyle changes or beginning a new nutrition program.
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Can I use a different type of cabbage for this sauerkraut?
Absolutely! While green cabbage is the most common choice, you can also experiment with red cabbage or Napa cabbage for different flavors and colors.
What if I don't have fennel or coriander seeds?
No worries! You can either omit them or substitute with other spices like caraway seeds or mustard seeds to add your own twist.
How long does homemade sauerkraut last in the fridge?
When stored in an airtight container in the fridge, your keto sauerkraut can last up to 2-3 months. Just make sure to keep it submerged in its brine.
Is this sauerkraut suitable for meal prep?
Yes! I make a big batch and use it all week in salads, as a side dish, or piled on burgers and sandwiches.
What are the health benefits of eating sauerkraut?
Sauerkraut is packed with probiotics that support gut health. It is naturally low carb, so it fits right into a keto eating plan.






Made three other sauerkraut recipes before this one and they were all basically the same, but something about the fennel and coriander here makes it taste like it came from an actual deli.
Added caraway seeds alongside the fennel and coriander and the flavor got so much more complex, like something from an actual deli counter. If you're on the fence about the fennel seeds, the caraway rounds it out and keeps it from tasting too sharp.
Caraway keeps the fennel from going too sharp. That's the trio most traditional recipes use.
Love the flavours but waaaay too salty. The real variable in the recipe is "a head of cabbage". I guess the head of cabbage I used is much smaller than the recipe expects. Will try soaking it in cold water to make it palatable.
Soaking works for this batch. Small head next time, try 1.5 tablespoons instead.
I think this was the best sourkraut I've ever had ..Mine took 7 days to be absolutely perfect .I love cooking and I always thought sourkraut was a hard long process never image it could be so easy lol. Well you do have to have patience 😁
Seven days is my sweet spot too. The coriander really comes through by then.