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Pickled Red Onions (no sugar)

These quick pickled red onions (no sugar) couldn’t be faster or easier to make! Yet they add pizazz to so many dishes including a wide range of salads, tacos, quesadillas, burgers, wraps, and more. They’re crunchy, colorful, piquant, and overall delightful.

Two of my kids are home from college due to the global health situation (a silver lining to an otherwise dark cloud). While home, my daughter Laura has been making jar after jar of these incredible pickled red onions. I honestly hadn’t come across these gems before – how did I live all these years without them?! Now they’re a staple in our refrigerator.

Pickled Red Onions (no sugar) fresh packed in jar

We prefer to make our pickled red onions with a diluted apple cider vinegar brine. The resulting flavor is milder than when using full strength vinegar. With this 2:1 ratio of vinegar to water the pickled red onions still become acidic enough to safely store in the refrigerator for weeks.

Most pickled onion recipes add sugar to the brine. I prefer to make this sugar-free version; it includes raw honey which is more nutritious. Speaking of nutrients and healthy ingredients, here are some fun facts about onions that may interest you!

Compounds from onion have been reported to have a range of health benefits which include anticarcinogenic properties, antiplatelet activity, antithrombotic activity, antiasthmatic and antibiotic effects.

Phytotherapy research
Onions – A Global Benefit to health

Method Overview

  • Slice onion
  • Add onion to jar with garlic cloves and sprigs of thyme (or rosemary)
  • Heat up the vinegar with water, honey, salt, and peppercorns
  • Pour the brine into jar; cap and refrigerate

Pickled Red Onions (no sugar) fresh packed in jar
Print Recipe
5 from 10 votes

Pickled Red Onions (no sugar)

Course: condiment
Cuisine: American
Servings: 20 (2-Tablespoon) servings
Calories: 8kcal

Equipment

  • quart jar with lid, such as a Mason jar
  • small saucepan

Ingredients

  • 1 large red onion
  • 2 to 3 garlic cloves
  • 2 to 3 sprigs thyme, or rosemary
  • 1 cup apple cider vinegar
  • 1/2 cup water
  • 1 Tablespoon raw honey
  • 1-1/2 teaspoons Himalayan sea salt
  • 1 teaspoon black peppercorns, optional

Instructions

  • Peel the onion and cut it in half lengthwise from stem to root. Place one half-onion on a cutting board flat-side down; cut off and discard a thin slice from each end. Cut the rest of the onion into 1/8-inch to 1/4-inch slices. Repeat with the other half.
  • Put the onion slices into the jar. Arrange the garlic cloves and sprigs of thyme (or rosemary).
  • Pour the vinegar and water into a small saucepan over medium heat. Add the honey, salt, and peppercorns and warm up while stirring just until the honey and salt blends into brine. Do not boil.
  • Pour the brine into the jar and cap. At first it will seem like there isn't enough brine (see photo below). Don't worry; the salt draws moisture from the onions and they will soften. After about an hour you'll see that there is plenty of brine to cover the onions. Flip the jar over periodically to help the process.
  • After the brine cools down, refrigerate. Wait a few hours or until the next day before eating so the flavor has a chance to set in.

Notes

  • The vinegar tends to rust Mason jar screw bands or other caps. To prevent this I suggest covering the mouth of the jar with a square of parchment paper (double layer) before capping.
  • Feel free to add different herbs or spices to the brine such as allspice, red pepper flakes, star anise, or fresh dill.
  • Raw honey contains beneficial enzymes that are destroyed when heated. Only warm the brine until the honey and salt dissolve, then remove from heat.
  • Once the onions are eaten don’t throw away the leftover brine; it is flavorful and contains nutrients from the onions, garlic, herbs, and spices. Use it in place of vinegar when making salad dressing.

Nutrition

Serving: 2Tablespoons | Calories: 8kcal | Carbohydrates: 1g | Protein: 1g | Fat: 1g | Saturated Fat: 1g | Sodium: 129mg | Potassium: 20mg | Fiber: 1g | Sugar: 1g | Vitamin A: 5IU | Vitamin C: 1mg | Calcium: 4mg | Iron: 1mg
Jamie planting onion seedlings in the garden.

Jamie and Laura planted 130 red onions this spring. I’ll be pickling plenty!

If you like this pickled red onions (no sugar) recipe you may also enjoy my Mexican Pickled Radishes with Jalapeños and Asparagus Pickles.

4 Comments

  • Toletia Lynn
    December 12, 2020 at 4:41 pm

    Hi. I’m about to make this recipe (yours won my choice out of several others!). Can you tell me how long they keep in the fridge once they’re done? I mean like if I made 3 jars, how long will they last before opening? Thnx T

    Reply
    • Judy DeLorenzo
      December 13, 2020 at 1:39 am

      Hi Toletia,

      They’ll keep well for 2 to 3 weeks. Let me know what you think 🙂

      Best,
      Judy

      Reply
  • Derek Smith
    April 5, 2021 at 1:14 pm

    I haven’t tried this recipe yet but it looks good, if it’s okay I would tweak the recipe a bit and make it with habanero or ghost chili peppers, I like my pickles spicy and make the original recipe for my family. Would organic raw apple cider work with this pickling recipe?

    Reply
    • Judy DeLorenzo
      April 5, 2021 at 11:42 pm

      Hi Derek,

      This is a (lightly) sweet pickled red onion recipe. I’ve never had it spicy but if you try making it with hot peppers let me know how it goes.

      You can’t make pickles with apple cider. You need to use vinegar.

      Judy

      Reply

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