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Traditional Lacto-Fermented Pickles

Everything you need to know about making Lacto-fermented pickles
How to make fermented pickles in individual mason jars.
Everything you need to know about making Lacto-fermented pickles
How to make fermented pickles in individual mason jars.
How to make fermented pickles in individual mason jars.

Traditional Lacto-fermented pickles are really simple to make and well worth the effort for any pickle-loving person. Fermenting gives pickles that deli-style, Eastern European flavour. And cucumbers naturally ferment, which means they’re super easy, even if you’ve never fermented before.

Here’s an overview of everything you need to know to make Lacto-fermented pickles.

Types of Containers for Fermenting Pickles

There are two different ways to make Lacto-fermented pickles: open-air fermentation or sealed fermentation. Personally, I do a mix of both, depending on what else is going on in my kitchen. We love pickles so much, that I’ll stash them in whatever container I happen to have available!

There are pros and cons to each method, so choose whatever method will work best for you.

1. Open-Air Fermenting

How to make Lacto-fermented pickles in a crock, fido jar or mason jar
Mason jars with jam jar weights.

Open-air fermenting involves keeping the cucumbers submerged below a brine and simply covering the top of your fermentation container with a cloth to prevent bugs from getting in. Here are some pros and cons to open-air fermenting:

  1. Con: Open-air fermenting requires a bit more work. You will need to check it every three days to skim the scum off the top of the pickles and add water as it evaporates.
  2. Pro: It is easy for newbie-fermenters since no special equipment is required.
  3. Con: There is more risk of contamination with open-air pickles. Mold growing on the surface of your fermentation crock doesn’t necessarily mean it will have affected the pickles… but it’s definitely a risk.
  4. Pro: Using a crock allows you to make a HUGE batch of pickles all at once.
Everything you need to know about making Lacto-fermented pickles
Traditional crock.

Here are the common ways of open-air fermenting.

  • Mason jars with a weight: This is a very low-tech way to ferment. All you need is a large wide-mouth mason jar for the pickles, and a jam, filled with water, nested inside the larger jar as the weight. You can also buy weights (affiliate link) that are specifically designed for wide-mouth mason jars.
  • Fermenting Crock: A fermenting crock is a large stoneware container with a weight to keep the vegetables submerged. It is the most traditional way of fermenting and has the advantage of making large batches of pickles all at once. You can often find them secondhand. However, be sure to check that the crock doesn’t contain lead or heavy metals in the glaze. The long, acidic and salty ferment, could cause leaching.
  • Plastic Fermenting Bucket: Food-grade plastic buckets can be used for fermented large batches of pickles. I generally don’t recommend plastic containers for fermenting, however, if you buy a fermenting bucket (affiliate link), then the plastic ought to be able to handle the acidity. Fermenting buckets can also be used for sealed ferments.

2. Sealed Fermenting

Fermenting in sealed jars is my preferred way to ferment. If you plan on doing a lot of fermenting, then it is definitely worth the investment. Sealed jars are amazing because:

  1. They greatly reduce the risk of contamination. If you start with a sterilized jar, there isn’t any way for unwanted mold or bacteria to get in.
  2. You won’t have to remove scum. Just pack your vegetables and leave them in a cool, dark location to ferment.
  3. A sealed jar could last for up to a year in a cool dark location.

Here are a few common sealed fermentation containers:

  • A fido jar (affiliate link) is a flip-top jar with a rubber seal. A good quality fido jar will be able to handle the build-up of gas during the fermentation. Don’t use low-quality fido, as they are mostly decorative and might shatter under the pressure of fermentation.
  • An airlock is a way for gas to escape while keeping unwanted bacteria and oxygen out of the jar. These are usually used for homebrewing, however, you can buy mason jars fitted with airlocks.
  • The pickle pipe (affiliate link) turns any mason jar into a fermentation container.
Everything you need to know about making Lacto-fermented pickles
Fido jar.

Tips for Beginners:

  1. If you’re doing an open-air ferment, then you will need to water bath can after fermentation for long-term storage. This is a totally traditional way of making pickles. However, I recommend eating a few right after fermenting for a boost of probiotics.
  2. To store sealed fermented pickles without canning, start with sanitized jars. Either run them through the dishwasher on a sani-cycle or pour boiling water over the jars and the lids.
  3. Avoid any cucumbers with mould or slime. The best cucumbers are farm-fresh. Theyโ€™ll be firm and have plenty of natural Lacto-bacteria on their skin.
Print

Traditional Lacto-Fermented Pickles

Eastern European style fermented pickles. Perfect for beginners.
Print Recipe

★★★★★

5 from 1 reviews

Cucumbers have their own natural lactic bacterial culture, which makes them very easy to ferment. This traditional fermented pickle recipe will fill 2 mason jars. Feel free to scale it up if you want to make a larger batch. I usually do around 16 lbs of cucumbers each August. We really love fermented pickles!

  • Author: Emillie
  • Prep Time: 20 minutes
  • Total Time: 20 minutes
  • Yield: 6 quart jars 1x
  • Category: Pickles
  • Method: Fermented
  • Cuisine: Polish
  • Diet: Gluten Free

Ingredients

Units Scale
  • 2 lbs pickling cucumbers
  • 4 cups of water (chlorine-free)
  • 1/4 cup of non-iodized salt (flaked pickling salt is best)
  • 2 dill flowers or sprigs of dill weed
  • 4 cloves of garlic
  • 2 tsp pickling spices (optional)
  • 2 tbsp grated horseradish root (see notes for alternatives)

Instructions

  1. Wash the cucumbers and trim 1/4 inch (1/2 cm) off the blossom ends to help prevent the cucumber from going soft.
  2. Cut larger cucumbers, as required, to fit in your fermentation container.
  3. Pack cucumbers into a fermenting container (see the section above for options). Add in the spices, dill, garlic and horseradish root. The recipe is scaled for two 1-quart mason jars with 2 cloves of garlic, 1 sprig of dill, 1 tsp of spice and 1 tbsp of horseradish root in each jar.
  4. Combine the water and salt to make a brine.
  5. Pour the brine over the cucumbers.
  6. Allow the pickles to ferment somewhere cool and dark for 2-7 weeks.
  7. If you are doing open-air fermenting, check the pickles every 2-3 days. Skim off the foam/scum and top up with non-chlorinated water as needed.

Notes

  • Fermented pickles will become soft and mushy over time. To prevent this, add a natural source of tannins to each mason jar. For example, 1 tbsp of grated horseradish root, a grape leaf or a pinch of black tea.
  • Pickles need to ferment for at least 2 weeks, and usually much longer to develop their flavour. That also provides more time for your ferment to turn into a weird science experiment, so keep it clean and sanitize your jars before fermenting.
  • Store the finished pickles in the fridge and eat within 4 months. Alternatively, you can preserveย them for long-term storage. They won’t be probiotic, but they will have that traditional pickle flavour. If you want probiotic pickles that you can ferment for several months, then I recommend my Grandma’s Fermented Pickle Recipe.

Keywords: traditional, probiotic, fido, airlock, crock, summer, fall, vegan, gluten free, keto, paleo, raw, sugar-free, no cook,

Filed Under: VegetablesTagged With: Cucumber, Pickles

Previous Post: « Pickled Nasturtium Capers (GF & Vegan)
Next Post: Canning Fermented Pickles for Storage »

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Comments

  1. Heidi

    March 23, 2016 at 3:08 pm

    Hi Emillie, how would you add in the pinch of black tea for crisp pickles?

    Reply
    • Emillie

      March 23, 2016 at 6:09 pm

      I actually just break open a tea bag. It works amazingly well! Just throw it in to the jar of pickles, and it will sink to the bottom.

      Reply
  2. Lisa

    November 14, 2021 at 12:34 pm

    Is it possible to have botulism in open air pickles? I used the weights with the silicon nipple and there was scum in the jar and one jar had a accordion looking pice of mold in it . I threw the pickles out and put the jars and nipples through my dishwasher, but I am Paranoid about botulism. Is the nipple supposed to touch the liquid in the jar ? Or only fill up enough to cover the submerged pickles? Iโ€™m so confused and donโ€™t want white scum on top. The agriculture agent said it wasnโ€™t enough vinegar in the mix

    Reply
    • Emillie

      November 15, 2021 at 9:30 am

      I completely understand your concerns around botulism (my background is in Neuroscience). Luckily mold is not botulism. Botulism is a bacteria that usually grows in garlic. So if you’re concerned, just avoid the garlic. As long as you had enough salt in your ferment, mold can be safely removed without harming the pickles. As mold cannot penetrate a salt solution. Open-air pickles typically get a white scum that needs to be skimmed off. It’s mostly just yeast.

      To answer your questions: Definitely leave a bit of room at the top of the jar. They will bubble a bit and will need the space for potential bubbling and expansion. So just use enough liquid to cover the cucumbers. This recipe is not a storage-based recipe. So it doesn’t include vinegar. And likely it will have a bit of scum forming.

      However, I have another recipe that can be packed and stored, especially if you’re using a pickle pipe (silicon nipple sounds similar). It includes a small amount of vinegar which kick-starts the acid fermentation. But not enough to be a vinegar pickle. There shouldn’t be any scum on top with this pickle… though there will be a bit of powdery stuff in the bottom of the jar and on the pickles, which is just spent yeast from the ferment. Here’s the recipe: https://www.fermentingforfoodies.com/grandmas-fermented-pickles/
      Good luck!

      Reply
      • Lisa

        November 15, 2021 at 1:03 pm

        Thank you !

        ★★★★★

        Reply

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Hi, I'm Emillie, an island-dwelling fermentation enthusiast. Fermenting For Foodies features healthy recipes designed to feed your microbiome.
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