Pickled Red Onions - Love and Lemons (2024)

Want to jazz up your next salad or bowl? Add pickled red onions! Tangy & sweet, they're the best way to give almost any dish a bright pop of flavor!

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Pickled red onions have been an indispensable ingredient in my kitchen for years. Not only are they a gorgeous, vibrant pink, but they’re tangy, sweet, and a little crunchy. I like to say that they give sandwiches, salads, bowls, and more a “bright pop of flavor,” and though Jack makes fun of me for how often I use that phrase, I can’t think of a better way to describe them.

Try making a batch of quick pickled red onions, and you’ll see what I mean. Top a few onto an otherwise good sandwich or salad, and it’ll become great. Their vinegary, zippy taste adds an irresistible extra dimension of flavor, brightening and sharpening the other elements of the dish. You only need a few minutes and 5 ingredients to make this pickled onion recipe, so give them a try – you’ll add them to everything!

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How to Make Pickled Onions

To make pickled red onions, you’ll need 5 basic ingredients: red onions, white vinegar, water, cane sugar, and sea salt.

First, thinly slice the onions (I recommend using a mandoline for quick, uniform slicing!) and divide them between two jars. Then, heat the vinegar, water, cane sugar, and salt over medium heat, and stir until the sugar and salt dissolve. This will only take a minute or so!

Let the brine cool slightly, and pour it over the sliced onions. Allow the jars to cool to room temperature before covering them and transferring them to the fridge. Your onions will be ready to eat when they are bright pink and tender. This could take anywhere from 1 hour to overnight, depending on the thickness of your onions. They will keep in the fridge for up to 2 weeks.

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Sometimes, I’ll add a few peppercorns or garlic cloves to the jar along with the onions to make their flavor a little more complex. I like to change up the vinegar too! I particularly like a mix of white wine and rice vinegar, and apple cider vinegar and white vinegar are a fun tangy combination. These variations are great, but they’re totally optional; your quick pickled onions will be delicious even if you stick to the basic recipe!

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What to Do with Pickled Red Onions

As I said above, pickled onions are my favorite way to add a bright pop of flavor to almost any dish. Most simply, they’re excellent onavocado toast, but your options don’t end there. Here are a few of my favorite ways to use them:

  • Add them to a salad!This roasted cauliflower salad and this grilled potato salad show them off well.
  • Stuff them in a sandwich! Pair them with any bright sandwich filling like egg salad,chickpea shawarma, or onto avocado toast.
  • Pile them on a burger! I like them with my favorite veggie burger, these falafel burgers, and my classic black bean burger.
  • Top them onto any Mexican dish! They’d be delicious with these sweet potato tacos, these many-veggie tacos, or even breakfast tacosor a breakfast burrito!
  • Add them to a bowl!Try them in this grain bowl or this buddha bowl, or top them onto a DIY-burrito bowl with cauliflower rice or cilantro lime rice, black beans, pico de gallo,mango or tomatillo salsa, guacamole, and your favorite veggies!

Do you have a favorite way to use pickled onions? Let me know in the comments!

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If you love these quick pickled red onions…

Try my roasted red peppers, roasted tomatoes, pickled jalapeños, or pickled chard stems next!

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Pickled Red Onions

rate this recipe:

4.96 from 430 votes

Prep Time: 5 minutes mins

Cook Time: 5 minutes mins

Total Time: 10 minutes mins

Serves 12

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Pickled red onions add a sweet & tangy pop of flavor to salads, sandwiches, burgers, and more! Once you make them, they'll keep in the fridge for up to 2 weeks.

Equipment

Ingredients

optional

Instructions

  • Thinly slice the onions (it's helpful to use a mandoline), and divide the onions between 2 (16-ounce) jars or 3 (10-ounce) jars. Place the garlic and peppercorns in each jar, if using

  • Heat the vinegar, water, sugar, and salt in a medium saucepan over medium heat. Stir until the sugar and salt dissolve, about 1 minute. Let cool and pour over the onions. Set aside to cool to room temperature, then store the onions in the fridge.

  • Your pickled onions will be ready to eat once they're bright pink and tender - about 1 hour for very thinly sliced onions, or overnight for thicker sliced onions. They will keep in the fridge for up to 2 weeks.

Pickled Red Onions - Love and Lemons (2024)

FAQs

What does soaking onions in lemon juice do? ›

There are other ways to tame raw onion, of course. You could soak slices in lemon juice for 20 minutes, which lends a slightly pickled flavor, as in this Tomato and Herb Salad with Sumac.

How long do pickled red onions last? ›

Set aside to cool to room temperature, then store the onions in the fridge. Your pickled onions will be ready to eat once they're bright pink and tender - about 1 hour for very thinly sliced onions, or overnight for thicker sliced onions. They will keep in the fridge for up to 2 weeks.

Are pickled red onions good for you? ›

Not only are pickled red onions delicious but they are full of health benefits as well. Onions are one of the most important horticultural crops that is extensively used as a food and in medicinal applications.

Why soak onions in salt water before pickling? ›

Some people choose to soak their onions in a salt water mixture before pickling, but I don't find it necessary. In theory, this step draws out extra moisture to keep the texture of the onions nice and crisp even as they sit in the vinegar mixture.

Is it better to soak onions in water or vinegar? ›

You can get rid of the strong taste by soaking sliced onions in ice water for 20 to 30 minutes or by sprinkling them with an acid such as vinegar. Onions soaked in ice water will get very crisp while those sprinkled with vinegar will soften a bit, but they will lose the strong taste and become sweeter.

What happens if I eat too many pickled onions? ›

Eating too much sodium can cause your kidneys and liver to work harder. Furthermore, the high blood pressure that often follows diets high in sodium puts even more stress on these organs. As a result, eating too many pickles may be risky for anyone with liver disease or kidney conditions.

Do pickled onions raise blood sugar? ›

These pickled red onions are easy to make, add a delicious zing to just about any dish, and are blood sugar friendly.

Do pickled onions speed up metabolism? ›

No, pickles don't help with fat burning. And if you try it anyway, and eat your normal meal but then eat a bunch of pickles, you'll get fatter because you're consuming more calories. The only way to burn fat is to consume fewer calories than you burn, on a regular basis.

Can I use leftover pickle juice to pickle red onions? ›

Heat up the pickle juice in a microwave-safe bowl or on the stovetop until boiling. Put the vegetables and red onion back in the pickle jar and pour the pickle juice over top. Screw the top onto the pickle jar and let the mixture sit in the fridge for at least 5 hours. The pickles will keep for up to 1 week.

Why do people crave pickled onions? ›

You might crave pickles if you're low in sodium, dehydrated, or just feeling a little snacky! Pickles are a great way to satisfy the midnight munchies. Eating pickles all the time could be a symptom of extreme stress. Pickles may be your comfort food.

What country eats pickled onions? ›

By country

Pickled red onions in bitter orange juice are especially emblematic of Yucatán cuisine, where they are used as a garnish or condiment, especially for seafood. In Switzerland, they are served to accompany raclette, along with pickled gherkins.

What is the benefits of onion and lemon juice? ›

Lemons provide a generous dose of vitamin C and antioxidants that protect blood vessels from oxidative damage, thereby reducing the risk of heart disease. Onions, with their cholesterol-lowering and blood pressure-regulating properties, further contribute to a heart-healthy lifestyle.

What are the benefits of soaking onions in water? ›

The theory behind drinking onion water is based on onion's natural anti-inflammatory and antimicrobial effects. Along with ginger, garlic, and turmeric, onions are known to fight off inflammation, oxidation, and harmful bacteria and viruses.

Does lemon juice neutralize onions? ›

Lemon juice works to remove onion smell due to its acid level. This is why vinegar is also a solution, as well as tomato juice, celery juice, mustard, and rubbing alcohol. Any of these can be put onto a wet towel, and used to scrub while you run water over your hands.

Why do you soak raw onions? ›

Submerging them in cold water takes away that intense, sharp bite from the raw onion. The cold water helps the enzyme that causes onions to have their pungent flavor to leach out. Similarly, storing onions in the refrigerator will help mellow them out when you go to use them.

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