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    Home » Recipes » Fermentation

    Easy Lacto Fermented Cucumbers - Dill Pickles(Video)

    Published: Aug 12, 2020 · Modified: Aug 12, 2022 by Charlé Visser · This post may contain affiliate links · 7 Comments · 1646 words. · About 9 minutes to read this article.

    jump to recipe Jump to Video

    If you ever had a salt beef bagel from a Jewish deli then you’ll know that these are by tradition called “kosher dill pickles”. Crunchy, tangy, delicious, and goes with almost any savoury dish.  

    Fermented cucumbers are not pickles by definition, but rather a Lacto ferment. This recipe will tell you all the important things you need to know about fermenting cucumbers and how they differ from pickles.

    You can use this recipe to make half-sour or full-sour proper deli pickles.

    Fermented cucumber cut in half.
    The perfect fermented cucumber(full-sour)
    Jump to:
    • Difference between pickles and fermented cucumbers 
    • Lacto fermentation brine formula 
    • Ingredients needed
    • How to make it
    • Video instructions
    • Storage instructions
    • Frequently asked questions
    • Serving suggestions
    • Related recipes
    • Useful equipment
    • Recipe
    • Comments

    Difference between pickles and fermented cucumbers 

    This is a very grey area. Some people call it pickles even when Lacto fermented. It’s not technically correct because pickles are not fermented cucumbers. Here is how they differ:

    • With pickles, you add the sourness and sweetness in the form of vinegar and sugar. The acid in vinegar comes from acetobacter. Acetic acid producing bacteria that needs oxygen. 
    • With fermented cucumbers, or any other Lacto fermented food, the sourness is produced by lactic acid producing bacteria. Called Lactobacillus, naturally occurring on the skin of the cucumbers and preferring anaerobic or oxygen free conditions. Traditionally it’s also not sweetened. 

    So, classic dill pickles are in fact fermented cucumbers but, not pickled cucumbers.

    Lacto fermentation brine formula 

    Weight of salt needed =  (Weight of water needed to completely cover ingredients + weight of ingredients) X 0.02 

    This ratio will ensure the best environment for the lactobacillus to survive and grow while deterring unwanted bacteria from creeping in.

    Ingredients needed

    Make sure you have a nice big fermentation vessel or container before you start. Use weighing scales as it’s more accurate than spoons, cups, handfuls and all those other weird ways of weighing ingredients.

    Although, If you are not ready to switch yet, I do include those measurements in this recipe too. 

    With fermentation, what you put in, is what you get out. In a sense that, your ingredients need to be of the best quality. Fermentation won’t bring dead ingredients back to life and works best when the ingredients are super fresh.

    Ingredients for pickling cucumber on marble background.
    A few simple ingredients
    • Cucumbers – Use fresh, crisp and preferably seasonal medium-sized cucumbers about 10cm or 5 inches long and 3-4cm or 1,5 inches in diameter. 
    • Water – Good quality clean drinkable water. 
    • Salt – Natural salt. Don’t use iodised as it contains some mild anti-bacterial properties. We need bacteria for this to work. 
    • Dill – I used fresh dill blossom but you can easily replace it with fresh dill. 
    • Garlic – Use the freshest, nicest and juiciest garlic you can find.
    • Spices(optional) – I used whole black mustard seeds but, you can use regular or just leave it out. If you want you could also add things like bay leaf, all-spice, juniper, dill seeds or chilli flakes. You could also add fresh chilli if you like. 

    How to make it

    Steps for pickling cucumbers.
    Stages of fermented cucumbers
    1. Wash the cucumbers under cold running water. Place a large properly cleaned 3L Glass jar or plastic bucket onto the scales and zero the weight. If you do things in gallons then use a 1-gallon container. Make sure to wash the container, your hands and utensils properly to avoid any unwanted bacteria from joining the party.
    2. Add the cucumbers so that they neatly fill the container.  
    3. Fill the container up with water taking note of the total weight of the ingredients and the water. 
    4. Multiply that number by 0.02. That is the amount of salt needed in the recipe. Pour the water out into a jug or container and mix in the salt until fully dissolved along with the garlic, mustard seeds and dill blossom. Now you have the brine.
    5. Pour this brine back into the vessel with cucumbers and place a small plate on top or a plastic bag filled with water. This is to make sure the cucumbers stay submerged in the brine.
    6. Close the container with a lid, leaving 4cm or 2 inches room at the top of the vessel,  and let the cucumbers ferment at room temperature (21 degrees Celsius or 69 degrees Fahrenheit) for 5 to 12 days or until you are happy with their taste.

    The time differs as temperature differs from place to place and time of day. The general rule is. The hotter, the quicker it ferments. So, give it a taste after about 3 days and then every few days after that until you are happy with the amount of sourness.

    I give you this extra in-depth knowledge because your vessel might be different and you might use differently sized cucumbers as well as ferment at different temperatures. Never let your ferment go above 28 degrees Celcius or 82 degrees Fahrenheit. It will ferment too quickly and produce strange flavours.

    Wild fermentation, like this, is something you’ll learn over time and the more you ferment the more you will get the hang of it. It’s that simple.

    Video instructions

    Storage instructions

    As soon as they are ready, you should move them to the fridge. Brine-and-all. 

    Fermentation will come to a crawl in the fridge but won’t completely stop. For this reason, they are best consumed within a few weeks.

    I always try and eat mine within a month. That’s if they last that long.

    Frequently asked questions

    How to know when it’s ready?


    They should taste pleasantly sour, but not overly so. It will also have a slightly savoury, umami taste. Their texture should be crunchy when you bite into them and the inside not mushy. Those are the qualities of the perfect fermented cucumber.

    Why did my cucumbers go mouldy?

    Unwanted bacteria crept in. Make sure that you clean your equipment well before starting to make a ferment.

    Note. There is something called kahm yeast that might look like a thin white film of mould but, is actually harmless. Just carefully remove from the top if it does appear as it can affect the flavour of a ferment.

    How to keep fermented cucumbers crispy?

    If you start with immaculate cucumbers they will probably not need any help keeping crispy. I never use any of these methods but you can do the following to ensure crispiness. 
     
    Soak the cucumbers in ice water for 5 minutes. 
    Add a grape leaf or bay leaf to the brine.(It contains tannin that helps keep the skin crispy)

    Which type of cucumber is the best to use?

    If you are buying from a farmer’s market then ask the vendor for pickling cucumbers or look for the Kirby variety. 

    How long do they last for?

    The correct answer here differs from person to person. I find that they are best consumed within a month. Although, you can keep them in the fridge for up to 6 months, correctly stored without introducing bad bacteria through contaminated utensils or dirty hands. 

    Serving suggestions

    Apart from being a healthy snack, fermented cucumbers can be used in various other dishes and preparations like the following:

    • As a fresh tangy side with rich meat dishes like crispy pork belly, lamb chops, koftas or ribeye steak.
    • Same goes for fish like grilled angelfish or pan-seared salmon. If you making a tartar sauce for these then use these instead of store-bought gherkins.
    • I also like adding a spoon or two to stews or chilled/hot soups right before serving. Like this Ukrainian beetroot soup or this Viking stew. It gives a nice bit of balance and brings nuance to the dish.
    • Serve alongside other snacks like Moroccan zaalouk or green pea and feta dip.

    Related recipes

    If you like fermented foods then you will find the following recipes useful:

    • Homemade sriracha hot sauce
    • Sauerkraut 
    • Naturally fermented strawberry soda
    • Fermented carrots
    • How to grow Koji

    Useful equipment

    kitchen scales

    Electronic Kitchen Scales

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    Fermentation jars

    Fermentation jars

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    Recipe

    fermented cucumber cut in half.
    4.84 from 6 votes
    Pin Recipe Print

    Easy Lacto Fermented Cucumbers - Dill Pickles

    The perfect fermented cucumbers delicious, healthy and full of probiotics.
    Author Charlé Visser
    Prep Time 10 minutes
    Fermentation Time 5 days
    Total Time 5 days 10 minutes
    Servings 15
    Course Appetizer, Salad, Side Dish, Snack
    Cuisine Fermentation, International, Vegan, Vegetarian
    Prevent your screen from going dark

    Ingredients

    • 1300 g (2.87 lb) cucumbers - pickling or Kirby
    • 1400 g (3.09 lb) water - clean drinkable
    • 54 g (3 tablespoon) salt - pure non-iodized
    • 8 each garlic cloves - optional
    • 4 g (1 teaspoon) mustard seeds - optional
    • 4 g (1 teaspoon) black peppercorns - optional
    • ½ bunch (1 cup) dill blossom or fresh dill - optional

    Instructions

    • Wash the cucumbers under cold running water. Place a large properly cleaned 3L Glass jar or plastic bucket onto the scales and zero the weight. If you do things in gallons then use a 1-gallon container. Make sure to wash the container, your hands and utensils properly to avoid any unwanted bacteria from joining the party.
    • Add the cucumbers so that they neatly fill the container.
    • Fill the container up with water taking note of the total weight of the ingredients and the water.
    • Multiply that number by 0.02. That is the amount of salt needed in the recipe. Pour the water out into a jug or container and mix in the salt until fully dissolved along with the garlic, mustard seeds and dill blossom. Now you have the brine.
    • Pour this brine back into the vessel with cucumbers and place a small plate on top or a plastic bag filled with water. This is to make sure the cucumbers stay submerged in the brine.
    • Close the container with a lid, leaving 4cm or 2 inches room at the top of the vessel, and let the cucumbers ferment at room temperature (21°C or 69°F°) for 5 to 12 days or until you are happy with their taste.

    Video

    Notes

    • The time differs as temperature differs from place to place and time of day. The general rule is. The hotter, the quicker it ferments. So, give it a taste after about 3 days and then every few days after that until you are happy with the amount of sourness.
    • I give you this extra in-depth knowledge because your vessel might be different and you might use differently sized cucumbers as well as ferment at different temperatures. Never let your ferment go above 28C or 82F. It will ferment too quickly and produce strange flavours.
    • Wild fermentation, like this, is something you’ll learn over time and the more you ferment the more you will get the hang of it. It’s that simple.
    • See post for more information on storage and troubleshooting

    Nutrition

    Serving: 100g Calories: 13kcal Carbohydrates: 2g Protein: 1g Fat: 1g Saturated Fat: 1g Sodium: 1066mg Potassium: 126mg Fiber: 1g Sugar: 1g Vitamin A: 64IU Vitamin C: 3mg Calcium: 18mg Iron: 1mg
    Keywords:fermented cucumbers, lacto fermented, pickled cucumbers, pickles
    Save RecipeSaved!
    Did you make this?Tag @pantsdownapronson or hashtag #pantsdownapronson so I can see your hot skills!

    More Fermentation recipes

    • Thai Beef And Pork Jerky (Video)
    • Homemade South African Droëwors - Beef, Venison And Pork (Video)
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    • Homemade Cured Beef Bresaola(Video)

    Reader Interactions

    Comments

    1. Kiril

      at

      Came out perfect. Great fermented cucumber recipe! Thanks

      Reply
      • Charlé

        at

        Nice one Kiril! Happy you call them fermented cucumbers instead of pickles)) If you like fermentation then check out my sriracha recipe. It's the bomb! Or, if you want to take your fermentation game to the next level read my post on koji. You can ferment your own soy sauce, miso and many other popular and even undiscovered ferments along the way. Happy fermenting!

        Reply
    2. Lynda Magirl

      at

      5 stars
      I made these fermented cucumbers with my homegrown pickling cucumbers and after three days of fermenting, I just tried them and really like them. They have a nice mild flavor. Definitely will make more. Thanks for the awesome healthy recipe!

      Reply
    3. Bodil

      at

      Great explanation and recipe.. can I cut the cucumbers into slices? I only get the very long ones..

      Reply
      • Charlé Visser

        at

        Yes you can no probs. However they might not stay as crispy

        Reply
    4. Nicola

      at

      4 stars
      Hi, great recipe! Why do I have to store them in the refrigerator? I thought the brine was the preserving agent, I expected to keep them in the garage for many months.

      Reply
      • Charlé Visser

        at

        Depends on your garage. Because they are lacto fermented and the bacteria is not killed with vinegar, they will keep on fermenting. The higher the temp the quicker they ferment.

        Reply

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