Sauerkraut

Published Nov. 15, 2023

Sauerkraut
Christopher Testani for The New York Times. Food Stylist: Simon Andrews.
Total Time
At least 5 days
Prep Time
5 minutes
Cook Time
25 minutes, plus at least 5 days fermenting
Rating
4(106)
Notes
Read community notes

While this beloved fermented cabbage dish is often associated with German cuisine, it is eaten all across Eastern Europe while its roots go back to ancient China, when laborers building the Great Wall of China used rice wine to preserve the vegetable in the winter months. Making sauerkraut is both simple and hands-off. In this recipe, shredded cabbage is mixed with kosher salt and stored in a ventilated jar. In a week’s time, naturally occurring bacteria on the leaves convert the cabbage’s sugars into lactic acid, which gives sauerkraut its distinct sour flavor. The flavor will continue to develop the longer the cabbage ferments; taste along the way and when the sauerkraut reaches the desired pungency, transfer it to the refrigerator to slow the fermentation process. Serve sauerkraut with pork chops or sausages, use it in sandwiches or soups to add crunch and brininess, or try it in this Alsatian-inspired pasta.

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Ingredients

Yield:8 cups
  • 1medium green cabbage (about 3 pounds)
  • 2tablespoons kosher salt (such as Diamond Kosher), plus more as needed
  • 1teaspoon caraway seeds (optional)
Ingredient Substitution Guide
Nutritional analysis per serving (2 servings)

140 calories; 1 gram fat; 0 grams saturated fat; 0 grams trans fat; 0 grams monounsaturated fat; 0 grams polyunsaturated fat; 32 grams carbohydrates; 14 grams dietary fiber; 17 grams sugars; 7 grams protein; 1585 milligrams sodium

Note: The information shown is Edamam’s estimate based on available ingredients and preparation. It should not be considered a substitute for a professional nutritionist’s advice.

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Preparation

  1. Step 1

    Halve the cabbage through the stem and remove the core. Cut each half in half again, then thinly slice each quarter crosswise, as you would for coleslaw. Place the shredded cabbage in a very large bowl.

  2. Step 2

    Sprinkle the salt over the cabbage and begin massaging it with clean hands. Continue for about 5 minutes, until the cabbage becomes limp and is reduced by half in volume. Add the caraway seeds, if using, and toss.

  3. Step 3

    Divide the cabbage, along with any liquid that has collected in the bowl, between 2 (1-quart) jars, or other food-safe, non-reactive containers. Use a wooden spoon to tightly pack down the cabbage, repeating every few hours for the rest of the day. (This helps release more liquid.) Keep the jars loosely covered during this part of the process. The jars will not be full at first, but after fermentation begins, the volume will increase.

  4. Step 4

    Before leaving the cabbage overnight, place the lids on the jars, but don’t screw them on tightly. (The sauerkraut needs to “breathe” as it ferments. If the lids are too tight, the jars may explode. There are special air-lock lids meant for fermenting, but you can also use dish towels to cover the jars, then secure them in place with a rubber band.) The next day, if the cabbage is not fully submerged in liquid, make a saltwater solution to add to the jars: Dissolve 1½ teaspoons of kosher salt in 1 cup of room temperature water, and divide between the jars. The cabbage should be fully submerged to prevent mold growth.

  5. Step 5

    Store the jars at room temperature in a dark spot (65 to 70 degrees), keeping the lids on but not screwed on tightly, as before, for at least 5 days and up to 2 weeks. Begin tasting the sauerkraut after 5 days. It will be tangy, briny and crunchy in texture when it’s ready.

  6. Step 6

    Tightly screw on the lids and refrigerate the sauerkraut for up to 4 months. (Chilling the sauerkraut slows down the fermentation process, so tightly screwing on the lids is safe at this point.)

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4 out of 5
106 user ratings
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Cooking Notes

To foolproof these instructions if one has a kitchen scale, simply use 2% kosher salt by cabbage weight. There is ~ 2:1 difference in sodium by volume between Morton Kosher salt and Diamond Crystal so the outcome can be quite different.

It's best to use salt that has no additives. Table salt commonly contains anti-caking and nutritive adjuncts. In addition to kosher salt, canning & pickling salt is a common choice. 1 TBSP Diamond Kosher = 10 grams, 1 TBSP Morton Kosher = 15 grams, 1 TBSP Morton Canning & Pickling = 19 grams. Better to weigh the cabbage and weigh the salt to 2% of the cabbage weight. If you need to make brine to top off the jars, Step 4, add salt to 2% of the water weight.

A trick I use to keep mine pressed down: put a narrow mason jar inside a wide mouth, and secure it with twine to gently compress the cabbage so that the liquid remains above the top of the cabbage all week. If done properly with fresh cabbage, you don't need to add brine. You can add all sorts of things to this, too. Grated carrot, julienned apple, as long as the liquid stays above, other friends can join in the ferment!

It is standard procedure to put weight on the cabbage to keep it submerged in the brine. This is easily done by using a sandwich bag with brine in it make with salt and water and setting it on top. This will also prevent mold and scum from forming. Also, canning salt is much preferable as it won’t discolor the kraut.

Caraway seeds are a must. One week on corner of countertop works. I purchased a large glass can with locking lid. It will mold if cabbage is not pressed down daily. Great with kielbasa.

To answer Mark: No, Bern is saying that the volume of one gram of Morton Kosher is different than the volume of one gram of Diamond Crystal, which means that it's better to measure by weight than by volume. So whichever brand you use, measure by weight and use 2 grams of salt for every 100 grams of cabbage. The cabbage should be pleasantly (not excessively) salty, and slightly more or less salt will still give good results. Taste when mixing.

You can cut circles from parchment paper and press on top to keep cabbage underwater until you refrigerate. Also, it is helpful to put the jars in small bowls as the liquid may overflow during the process.

I make my sauerkraut in 2-quart wide-mouth Mason jars, and to keep the cabbage submerged while it ferments I use the thick round glass discs made for this purpose. You can find them easily online nowadays and I find them quite useful.

I thought distilled water was needed for salt fermented foods like this- seems like the chlorine mitigates the fermentation. I welcome thoughts.

I haven’t made Sauerkraut, but I have made Kimchi, both techniques are the same, and both are great on hotdogs.

To ferment sauerkraut I use sterile 1 quart standard (not wide mouth) Mason Jars, covering the shredded cabbage with several layers of cheesecloth folded to size and held down with crossed popsicle sticks under the shoulders of the jar. I don’t use any lid until fermentation is ready at which time you can preserve the sauerkraut in a boiling water bath.

I've added very thinly sliced jalapeno to the cabbage before it all ferments and it was very good.

My suggestion is 1 tablespoon salt per cabbage. I usually use 5 cabbages, and I ferment it for at least 3-6 weeks in winter before putting in the fridge. 5 days is far too short.

Did 2tsp of caraway seeds, not 1tsp; Also used 1tbsp salt per pound of cabbage

I add shredded carrots and a chopped hot banana pepper for flavour and colour. Be sure to put jar in a dish of some sort as liquid may overflow creating a briny mess depending on how full jar is.

First time fermenter, long time pickler here... I suggest running a pointed plastic chop stick around the inside jar edge a few times to release air bubbles. This means you will use the 1/2 cup brine to each jar. I do not have weights, but used some of those flat glass marbles used in vases. Pack some into a ziploc baggie and push air out, seal baggie. Use it as a weight for the cabbage. I used pickling rather than kosher salt, a bit less than half of the salt called for in the recipe.

To add to my previous notes: Sauerkraut is very forgiving. Salt as you like, add spices as you like the only must is the level of liquid, mostly the natural juice from the cabbage, has to cover the kraut. The Sauerkraut in eastern France, Alsace and Switzerland is pretty "dry" versus the creamy German Sauerkraut. The difference is probably the type of cabbage used.

Traditionally in Switzerland we add also Juniper berries to the sauerkraut. Usually it is stored in a salt glazed pot, covered with a fitting piece of wood and large round rock to keep the sauerkraut covered in brine. We used to store it in the cellar, with dirt floor, all winter. To keep it somewhat crisp we only used very firm cabbage in fall.

I prefer less salt. Measure all by weight. 1% to 1.5% salt makes tastier kraut. Check the DIY web for plenty of recipes. Use glass weights and special air lock lids designed for fermentation. Set your jar in a shallow pan to collect any overflow. Refrigerate after one week. Use white cabbage rather than green cabbage if you can find it.

My husband has been making sauerkraut for many years. Sometimes he uses red/purple cabbage instead of green and it's very pretty in the jars. Tastes the same as green.

I don't have access to Morton or Diamond salt. Can I use sea salt?

Hey what to do if you need a low salt diet? can you substitute some of the salt with white vinegar, like with pickled cucumber?

It's important to keep the cabbage submerged at least until the pH drops and mold growth is inhibited. Cut a red plastic beer cup to hold the cabbage below the top of the brine. Notch the bottom of the cup allow the brine to flow into it. Push the cup down and draw a line around the point where it exits the jar. Cut the cup along the line so top of cup is flush with the top of the jar. When the lid of the jar is in place it will hold the cup down and keep the cabbage submerged.

I've added very thinly sliced jalapeno to the cabbage before it all ferments and it was very good.

A trick I use to keep mine pressed down: put a narrow mason jar inside a wide mouth, and secure it with twine to gently compress the cabbage so that the liquid remains above the top of the cabbage all week. If done properly with fresh cabbage, you don't need to add brine. You can add all sorts of things to this, too. Grated carrot, julienned apple, as long as the liquid stays above, other friends can join in the ferment!

It's best to use salt that has no additives. Table salt commonly contains anti-caking and nutritive adjuncts. In addition to kosher salt, canning & pickling salt is a common choice. 1 TBSP Diamond Kosher = 10 grams, 1 TBSP Morton Kosher = 15 grams, 1 TBSP Morton Canning & Pickling = 19 grams. Better to weigh the cabbage and weigh the salt to 2% of the cabbage weight. If you need to make brine to top off the jars, Step 4, add salt to 2% of the water weight.

To ferment sauerkraut I use sterile 1 quart standard (not wide mouth) Mason Jars, covering the shredded cabbage with several layers of cheesecloth folded to size and held down with crossed popsicle sticks under the shoulders of the jar. I don’t use any lid until fermentation is ready at which time you can preserve the sauerkraut in a boiling water bath.

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