Boost Your Gut Health & Meals: The Easiest 5-Minute Foolproof Fermented Corn Relish
Elevate your culinary creations and nourish your digestive system with this incredibly simple fermented corn relish recipe. Perfect for enhancing everything from fresh salads to juicy hot dogs, this gut-friendly condiment is so delicious, our family consistently makes it every month!
If you’re interested in a water-bath canning alternative for corn relish, we highly recommend this popular recipe: Spicy Corn Relish Recipe with Olives (Lower Sugar).

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As an experienced home cook, I’m genuinely cautious about using terms like “foolproof” in any recipe title. The variables involved in cooking and food preparation are numerous, ranging from ingredient quality to ambient temperature and even subtle differences in cooking equipment. It’s rare to find a recipe that truly guarantees success for everyone, every single time.
For instance, I would never describe my famous whole wheat dinner rolls as “foolproof.” Working with yeast introduces an unpredictable element; sometimes it thrives, sometimes it’s less cooperative. While I can assure you that consistent success with yeast is achievable – and that you absolutely CAN make a truly soft, homemade whole wheat sandwich bread – it wouldn’t surprise me if it took a few attempts to master. Patience and practice are key with yeast-based recipes.
However, when I *do* label a recipe “foolproof,” it’s because I have absolute confidence that anyone, regardless of their prior experience in the kitchen, can achieve perfect results with minimal effort. This designation is not given lightly; it signifies a recipe that consistently delivers delicious outcomes without unexpected hurdles.
And that is precisely what this fermented corn relish recipe offers. It’s incredibly straightforward to make, wonderfully flavorful, and, perhaps best of all, exceptionally good for you. There’s a true satisfaction when a food item checks all three boxes: easy to prepare, delicious to eat, and beneficial for your health.

You might wonder how I can be so certain that *anyone* can successfully make this fermented corn relish. The secret lies in a particular set of tools that simplify the fermentation process immensely: these ingenious fermenting lids. They essentially remove all the guesswork, making fermentation practically effortless. Beyond the specialized lids, the recipe itself calls for only a few readily available ingredients, and the best part is that your delicious, gut-healthy relish will be ready to enjoy in just a few days.
This fermented corn relish was one of the very first fermentation recipes I attempted after mastering these even simpler fermented pickled vegetables. I can confidently say that quick and easy recipes like this one provide an excellent entry point into the fascinating world of fermenting. Even I am still relatively new to this ancient practice, but these straightforward recipes have made dipping my toes into it a truly rewarding experience.
I distinctly remember my initial apprehension about the taste of fermented foods. I imagined them to be strange, overly bubbly, or with an unfamiliar tang. To my delightful surprise, I discovered they simply taste like delicious pickled vegetables, which I already adore! The fundamental difference is that fermentation uses a simple salt brine to preserve and transform the vegetables, rather than vinegar, resulting in a unique depth of flavor and a host of added health benefits.
So, how exactly do you incorporate this flavorful fermented corn relish into your meals?
Think of it as you would any traditional pickled relish, but with an enhanced flavor profile and the added bonus of probiotics. It’s incredibly versatile! Spoon it onto fresh green salads for a burst of tangy sweetness, serve it as a vibrant side dish alongside grilled meats, or use it as a delicious topping for classic burgers and hot dogs. Its bright, zesty flavor complements a wide array of dishes. Try it with tacos, in grain bowls, mixed into tuna salad, or as a condiment for your next BBQ – the possibilities are endless!
Beyond its fantastic taste, this fermented relish offers significant health advantages. The fermenting process naturally produces beneficial bacteria, known as probiotics. These live microorganisms play a crucial role in nourishing your gut flora, which in turn supports healthy digestion, boosts your immune system, and contributes to overall well-being. Consuming fermented foods regularly is a simple yet powerful way to support your body from the inside out. (For those curious to learn more about fermented foods and their profound impact on gut health, you can explore further here).
5-Minute Foolproof Fermented Corn Relish: The Recipe Rundown

I haven’t even delved into the “5-minute” claim yet, but rest assured, I stand by that too! The preparation time for this relish is genuinely minimal. It takes approximately 2 to 3 minutes to finely chop the onion and sweet pepper. Another minute is spent mixing all the ingredients together in a bowl. Finally, the process of filling the jar, pouring the brine, gently pressing the vegetables, and sealing with the fermenting lid takes just about one more minute. It truly is a quick and easy recipe from start to finish – I promise you won’t be spending hours in the kitchen!
The beauty of this recipe also lies in its simplicity and accessibility of ingredients. You’ll find that the components are basic staples you likely already have on hand in your pantry, refrigerator, or freezer:
- Corn: Both raw or cooked corn kernels work perfectly. This means you can use fresh corn during peak season, frozen corn for convenience year-round, or even repurpose leftover cooked corn on the cob.
- Onion: A small onion, diced, adds a foundational savory note.
- Sweet Peppers: Diced sweet peppers (like bell peppers) contribute color, crunch, and a mild sweetness.
- Garlic: Minced garlic provides an aromatic depth that is essential for many savory relishes.
- Sea Salt: Crucial for the fermentation process. Make sure to use a good quality, non-iodized sea salt.
- Red Pepper Flakes (Optional): For those who enjoy a bit of heat, red pepper flakes can be added to taste. If you prefer a milder relish, simply omit them.
Using fresh, in-season corn will yield a vibrant flavor, but frozen corn or even previously cooked corn on the cob are excellent and convenient alternatives. This flexibility makes the relish approachable at any time of year.
Fermentation, a time-honored tradition, is an exceptionally effective method for preserving vegetables. While fermented foods require refrigeration after the initial active fermentation period (unlike traditional vinegar canning which is shelf-stable), the beneficial fermentation process continues to slowly develop even in the cold, further enhancing flavors and probiotic content.
Watch How Easy It Is: Fermented Corn Relish Video Tutorial
This recipe is so straightforward that I even taught my husband, Brian, how to make it! He was devouring the relish faster than I could prepare new batches, so it was only logical. We created a video to demonstrate just how simple it is for anyone to whip up this delicious and incredibly healthy fermented condiment:

In addition to the fresh relish ingredients, you will need a few essential pieces of equipment to ensure successful fermentation. These tools make the process hygienic, efficient, and truly “foolproof”:
- Quart Mason Jar: A standard quart-sized Mason jar is the ideal vessel for this recipe, providing enough space for the ingredients and the brine.
- Easy Fermenter Lid: This is the game-changer! These lids create an anaerobic environment, allowing gases to escape without letting air in, preventing mold and simplifying the burping process.
- Fermenting Glass Weight: A glass weight helps to keep all the vegetables submerged under the brine, which is critical for preventing spoilage and ensuring proper fermentation.
- Glass Liquid Measuring Cup: Useful for accurately measuring the water for your brine.

Once you’ve mixed all your corn relish ingredients thoroughly, transfer them into your clean Mason jar. Using the back of a wooden spoon, firmly press the mixture down. This helps to release some of the natural juices from the vegetables and compacts them, ensuring they are tightly packed and ready for the next step of submersion.

Next, carefully fill the jar with filtered water or good quality well water. It’s important to use water free of chlorine or other chemicals that could inhibit the beneficial bacteria. Continue pouring until all the vegetables are completely covered by the liquid. This brine-filled environment is essential for the anaerobic fermentation process to occur safely and effectively.

To ensure that all your delicious vegetables remain submerged below the brine, which is crucial for preventing mold growth and ensuring proper fermentation, add a specialized glass weight on top. While this step is technically optional, I highly recommend always using one. It provides that extra layer of security, keeping everything safely tucked under the liquid where the magic of fermentation can happen.

The innovative easy fermenter lids are designed with a convenient date tracker right on top. This thoughtful feature makes it incredibly simple to keep track of how many days have passed since you started your fermentation, eliminating any guesswork and ensuring you ferment for the optimal duration.
For this particular fermented corn relish, I’ve found that 5 days of fermentation at room temperature yields a perfect balance of tangy flavor and ideal texture. You should observe small bubbles forming, indicating active fermentation. Once finished, transfer it to the refrigerator to slow down the fermentation process and enjoy your fresh, tangy relish!

And there you have it! A truly simple, nourishing, and incredibly flavorful real food creation that is remarkably easy to make and profoundly beneficial for your health. This ethos of embracing simplicity and health in our cooking is a theme I’m adopting more and more in my kitchen. While there’s certainly a time and a place for indulgent treats, like my favorite peanut butter chocolate celebration cake (because, balance!), I’m finding immense satisfaction in the uncomplicated elegance of wholesome, homemade foods. Often, simple truly is best.
Explore More Easy Fermented Recipes
If you’ve enjoyed making this fermented corn relish and are eager to delve deeper into the world of probiotics and delicious homemade ferments, I highly recommend trying some of these other beginner-friendly recipes:
- Simple Fermented Pickled Vegetables: A fantastic starting point for anyone new to fermentation, this recipe is even more basic and equally rewarding.
- Fermented Pickled Jalapeños: Add a spicy, tangy kick to your meals with these easy-to-make fermented jalapeños. They’re perfect for tacos, nachos, or sandwiches.
- Best Mild Homemade Sauerkraut Recipe (That Happens to Be Super Easy!): Discover how effortless it is to make your own probiotic-rich sauerkraut at home, with a mild flavor that even sauerkraut skeptics will love.

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5-Minute Foolproof Fermented Corn Relish Recipe
Ingredients
- 2 cups corn kernels fresh or frozen (if using fresh, cut off cob, scraping ears as you go)*
- 1 small onion diced (or half large)
- 1 small sweet red pepper diced (or half large)
- 2 small cloves garlic minced (about 1-1/2 tsp.)
- 1 tablespoon sea salt**
- ½ to 1½ teaspoons red pepper flakes, to taste – we like it spicy at the larger amount, start small so you can see what you’d like
- Filtered room temperature water***
- Quart mason jar + fermenting lid
Instructions
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Mix all the ingredients – except the water – in a medium bowl. Use a wooden spoon to stir and press the vegetables for a couple minutes to start to release the juices.
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Pack the ingredients into a clean, quart jar. Use the back of the wooden spoon to press everything down firmly in the jar 1-2 inches below the rim.
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Pour the water on top, covering the vegetables completely. If needed, weigh them down with a glass weight to keep them under the brine.
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Cover the jar with the easy fermenter lid (or another airlock lid or canning lid, though you will need to burp it if using a regular lid). Mark the date on the lid or jar.
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Ferment at room temperature for 5 days (or until desired flavor), checking occasionally to make sure the vegetables are still submerged. You should see bubbles in the vegetables.
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Once it is done, replace the easy fermenter lid with a regular storage or canning lid and place in the refrigerator for cold storage.
Notes
**You’ll want a quality salt with no additives.
***Or quality well water. You want as pure water as you can find.
Nutrition
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