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    Home » Recipe » Condiments, Preserves and Sauces » Fermented Radishes

    Fermented Radishes

    Published: Jan 26, 2022 · Modified: May 4, 2022 by Sabrina Currie · This post may contain affiliate links.

    Jump to Recipe Print Recipe

    The best and simplest fermented radishes you'll ever taste. Simple, lacto-fermented radishes become naturally pickled with just 4 ingredients. So yummy in salads, on tacos, in your sandwich and more!

    A quart canning jar with pink pickling liquid and sliced radishes sitting on a wooden table outside with a background of greenery.

    Why I Made This Recipe

    I learned how safe and easy lacto fermenting actually is while researching for a magazine article. After I started playing around with fermenting different foods, I was hooked!

    Fermenting is a surprisingly simple process. The result is a distinct tart and complex flavor full of healthy probiotic bacteria that is great for gut health. Fermented radishes are my favorite of the ferments. Mildly sweet, sour and crisp, I love topping my tacos with these.

    For more awesome probiotic veggies, check out my Red Cabbage Sauerkraut/Fermented Red Cabbage and Lacto Fermented Garlic Scapes.

    What does "lacto ferment" mean?

    Lacto fermentation is lactic acid bacteria that either occurs naturally or is introduced to food to simply and effectively preserve food. Fruit and vegetables naturally contain the right bacteria (lactobacillus) to do this job with little intervention from you, creating a naturally pickled flavor.

    The lactobacillus breaks down sugars and turns them into an acidic brine, lactic acid. You are probably familiar with some of the foods produced this way that you may already purchase at the grocery store. Common fermented foods include yogurt and kefir, pickles, sauerkraut, kimchi, miso and even fish.

    Step by step instructions

    1. You will need to start with filtered or dechlorinated water. You could buy your water but it's easiest (and cheapest) to boil your own tap water for 20 minutes and then let it cool. I like to measure the water and add the salt for the brine while the water is hot. This allows the salt to dissolve easily.
    A pot of water boiling over the flame on a gas stove.

    2. Place peppercorns and red pepper flakes in the bottom of each quart jar.

    Wet washed radishes on a cutting board beside a wide mouth quart mason jar that has peppercorns and chili flakes in it.

    3. Wash radishes well. Remove tops and cut crosswise into even slices. I cut mine into ¼” rounds.

    Radishes are sliced crosswise to show the ¼" thickness for the recipe. The empty mason jar is behind them.

    4. Add sliced radishes on top of spices and pack them in as evenly as possible, leaving slightly more than an inch of headspace at top of jar.

    5. Next, pour your cooled brine in to top of vegetables. Be sure to leave enough space to add your fermenting weight.

    The clear salt water brine is being poured over the radishes in the mason jar.

    6. Top with fermenting weight to keep radishes submerged.  If you don’t have a fermenting weight or something similar, fill a small plastic bag with about ½ c water, seal and put on top of radishes. (See below for pictures of a homemade fermenting weight.)

    Above the jar of radishes, a hand is holding a thick, disc shaped glass pickling weight before placing it on top of the radishes.
    You can see the pickling weight in the jar on top of the radishes. There are pickle pipes on the cutting board beside, and a canning jar lid.

    7. Close jar with airlock or pickle pipe and fasten gently with jar ring. If you don’t have the special lids, put regular canning jar lids on and undo it once or twice a day to release gases (burping the jar) or use a coffee filter secured on top.  

    8. Leave to ferment at room temperature 5-10 days.  These will likely turn cloudy as they start fermenting and small bubbles will occasionally be rising. The red from the radish skin will turn the brine a pink or orangey pink col

    The jar of sliced radishes and clear brine now has a pickle pipe lid on secured by a silver canning jar ring.

    Once the initial fermentation period is over and have a pleasantly pickled and fermented flavor, these are ready to enjoy.

    To store, top with a regular canning lid and move jar to cold storage if not storing in your fridge to eat right away. These will last 3-6 months if stored properly, harder vegetables tend to last longer than softer vegetables.

    How to make your own homemade fermenting weight

    • A small, green topped clear zip top baggie is being held up to show the water in the bag that is a makeshift fermenting weight. The jar of radishes is behind.
    • The zip top bag of water has been placed on top of the radishes in the jar to keep them submerged.
    • The jar of radishes now has the homemade fermentation weight on and is covered by a pickle pipe lid secured by the silver jar ring.
    How do I know if my fermented food has gone bad?

    Things to watch out for (though not common if proper sanitation and submersion are followed) are mold, pink fuzz, or a rotten smell (the good fermenting smell should remind you of sourdough bread or a brewery). If any of these things occur, toss the batch and start over making sure all your equipment is sterilized with hot water.

    How do I ferment other vegetables?

    You can ferment any vegetable you would eat raw with this recipe. Simply follow the ratio of salt to filtered water in this recipe.
    Be sure to use clean equipment and clean trimmed produce. Keep your veg fully submerged with a weight to prevent mold. Cover your ferment with a breathable top (pickle pipe, water airlock device, coffee filter or paper towel to prevent foreign bacteria from entering.
    Try your favorite vegetables and play with size and texture. Shred them finer or cut them chunkier, and add different herbs and spices to make it your own.

    What do I need for fermenting?

    The basics are clean uniformly sized produce, a salt water brine and a non-porous jar or crock to keep the fermenting food submerged, creating a safe and airless environment. Airlock lids or pickle pipe tops for mason jars and glass fermenting weights are great but if you are trying this for the first time, I'll tell you my easy hack to make your own.

    Related Recipes

    • Easy Traditional Pickled Blackberries
    • Spicy Jalapeno Pickled Eggs
    • Crispy Corn And Crab Fritters With Spicy Mayo
    • How To Make Easy Lavender Buttercream Frosting (Icing)

    Radishes are one of my favourite fermented vegetables.  They are delicious on top of tacos or huevos rancheros or as the perfect pairing to your lunchtime sandwich. I hope you love them too! (If you do, I'd love it if you'd give them a rating on the recipe card.)

    For more on what I'm cooking up, follow me on Instagram or Facebook. You might also like my FREE printable weekly meal planner.

    Cheers friends! Sabrina

    A quart canning jar with pink pickling liquid and sliced radishes sitting on a wooden table outside with a background of greenery.

    Fermented Radishes

    Tangy and flavorful, these fermented radishes make the best radish pickles. Use these fermented radishes on top of tacos, huevos rancheros or as the perfect pairing to your lunchtime sandwich. Makes 2 1-quart jars.
    5 from 42 votes
    Print Pin Rate
    Course: Appetizer, Side Dish
    Prep Time: 15 minutes
    7 days
    Total Time: 7 days 15 minutes
    Servings: 12 servings
    Calories: 14kcal
    Author: Sabrina Currie

    Equipment

    • Optional: airlock lids and pickle pipe tops
    • 2 1-quart (liter) wide mouth mason jars, sterilized with boiling water before using

    Ingredients

    • 6 cups radishes
    • 2 tablespoon peppercorns
    • 1 teaspoon Red pepper flakes (Optional)
    • 3 tablespoon kosher salt
    • 6 cups filtered water or boiled 20 minutes to remove chlorine if on city water

    Instructions

    • Make a brine of 6 cups water to 3 tablespoon sea salt and stir to dissolve.
    • Wash radishes well. Remove tops and cut crosswise into ¼” rounds.
    • Place peppercorns and red pepper flakes in the bottom of each sterilized quart jar. Add sliced radishes on top of spices and pack them in as evenly as possible, leaving slightly more than an inch of headspace at top of jar.
    • Pour brine over vegetables, leaving 1 inch of headspace (you may have some brine leftover). Top with fermenting weight to keep radishes submerged. 
    • Close jar with airlock or pickle pipe and fasten gently with jar ring.  Leave to ferment at room temperature 5-10 days.  These will likely turn cloudy as they start fermenting and small bubbles will occasionally be rising.
    • Once the initial fermentation period is over (it is over when you decide you like how they taste), these are ready to enjoy. Top with a regular canning lid and move jar to cold storage if not storing in your fridge to eat right away.

    Notes

    It is important to start with properly sterilized jars before beginning. Simply run them through your dishwasher with a hot drying setting or place the clean jars in a pot of boiling water for 5 minutes before draining and using. 
    Note: If you don’t have airlock lids, put regular canning jar lids on and undo it once or twice a day to release gases (burping the jar) or use a coffee filter secured on top.
    If you don’t have a fermenting weight or something similar, fill a small plastic bag with about ½ c water, seal and put on top of radishes.
    These will last 3-6 months if stored properly, harder vegetables tend to last longer than softer vegetables.

    Nutrition

    Calories: 14kcal | Carbohydrates: 3g | Protein: 1g | Fat: 1g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Sodium: 1776mg | Potassium: 161mg | Fiber: 1g | Sugar: 1g | Vitamin A: 63IU | Vitamin C: 9mg | Calcium: 27mg | Iron: 1mg
    Tried this Recipe? Tag me Today!Mention @wckitchengarden or tag #wckitchengarden!
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    About Sabrina Currie

    Classically French trained cook, photographer and food stylist living on beautiful Vancouver Island, BC.

    Reader Interactions

    Comments

    1. Megan Ellam

      January 29, 2022 at 3:02 pm

      These look incredible. I am making some preserves now. Thanks for sharing

      Reply
      • Sabrina Currie

        January 29, 2022 at 3:28 pm

        Thanks Megan 🙂

        Reply

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