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Home » Nutrition » Recipes » Pickled White Onions Recipe

Pickled White Onions Recipe

By Juliana Crimi, RD, MHSc January 7 2025

Jump to Recipe Print Recipe

This pickled white onions recipe is a versatile, tangy, and crunchy addition to any meal. Whether you’re topping tacos, burgers, or salads, this quick and easy recipe will transform your dishes with minimal effort.

Note: this blog may contain affiliate links that offer me a commission. If you purchase something through these links, I may earn a small commission at no extra cost to you.

mason jar of white pickled onions

Why You’ll Love This Recipe

  • Quick & Easy: Just 10 minutes of prep time, and your pickled onions are ready after 12 hours in the fridge.
  • Healthy: Made with simple, wholesome ingredients—no preservatives or additives.
  • Versatile: Perfect for adding a burst of flavour to almost any dish.

Why Use White Vinegar for Pickling?

White vinegar is ideal for pickling because of its neutral flavour and ability to preserve the onions' bright white colour. It creates a tangy yet clean base that enhances the natural taste of the onions without overpowering your dishes.

What Makes These Pickled Onions Healthy?

  • Low-Calorie: A great way to add flavour without extra calories.
  • Rich in Antioxidants: Onions are packed with quercetin, which has anti-inflammatory properties.
  • Gut-Friendly: Vinegar can support digestion and gut health.
onions, salt, sugar and white vinegar laid out on table for the recipe

Ingredients

  • 3 medium white onions, thinly sliced
  • 1 cup white vinegar
  • 1 ½ cups boiled water
  • 1 teaspoon sugar
  • 1 teaspoon salt

Directions

Step 1: Chop the white onions into thin slices. Pack the sliced onions tightly into a clean mason jar until it’s full.

cup of white onions in bowl
jar of white onions in mason jar

Step 2:Pour 1 cup of white vinegar over the onions. Add 1 teaspoon of sugar and 1 teaspoon of salt.

Step 3: Carefully pour boiled water into the jar, filling it to the top. Make sure all the onions are submerged.

Step 4: Seal the jar tightly and place it in the refrigerator. Let the onions pickle for at least 12 hours before enjoying.

holding up mason jar filled with onions
pickled onions in mason jar

Equipment

  • Mason Jar
  • Tea Kettle
  • Knife
  • Measuring cps and spoons

Storage Tips

  • Keep the pickled onions in an airtight container or mason jar in the refrigerator.
  • They will stay fresh for up to 2 weeks.
  • Always use a clean utensil to remove onions from the jar to prevent contamination.

Tips for Delicious Pickled Onions

  • Add Aromatics: Toss in a garlic clove, peppercorns, or bay leaf for extra flavor.
  • Balance Sweetness: Adjust the sugar to your taste preference.
  • Crispier Onions: Briefly blanch the onion slices in boiling water, then shock them in ice water before pickling.

Substitutions, Variations, and Dietary Restrictions

  • Use Apple Cider Vinegar: For a slightly sweeter, fruitier flavor.
  • Sugar-Free Option: Replace sugar with a pinch of stevia or skip it entirely.
  • Spicy Kick: Add red pepper flakes or a sliced jalapeño to the jar.

Shop this Post

  • Mason Jars
  • Measuring cups and spoons

FAQs: Pickled White Onions Recipe

Can you use apple cider vinegar for pickled onions?

Yes! Apple cider vinegar works well and adds a slightly fruity tang to the onions.

Are pickled onions good for you?

Absolutely! They’re low in calories and rich in antioxidants, making them a healthy addition to your meals.

How long do pickled onions last?

Stored properly in the refrigerator, they’ll last up to 2 weeks.

What is the difference between white and red onions?

White onions have a milder, slightly sweeter flavour compared to the sharper taste of red onions. They’re also ideal for preserving colour in pickling.

What can I use pickled onions for?

Use them as toppings for tacos, sandwiches, burgers, salads, or even scrambled eggs. The possibilities are endless!

More Recipes

  1. Nonna’s Biscotti
  2. Pumpkin Pie Cookies
  3. Peanut Butter Yogurt Dip

Recipe

holding up a mason jar filled with pickled white onions

Pickled White Onions Recipe

Juliana Crimi, RD, MHSc
Pickled white onions are a versatile, tangy, and crunchy addition to any meal. Whether you’re topping tacos, burgers, or salads, this quick and easy recipe will transform your dishes with minimal effort.
Print Recipe Pin Recipe
Prep Time 15 minutes mins

Equipment

  • Mason jar
  • Tea Kettle
  • Knife
  • Measuring cups and spoons

Ingredients
  

  • 3 medium White onions thinly sliced
  • 1 cup White vinegar
  • 1 ½ cups Boiled water
  • 1 teaspoon Sugar
  • 1 teaspoon Salt

Instructions
 

  • Step 1: Chop the white onions into thin slices. Pack the sliced onions tightly into a clean mason jar until it’s full.
  • Step 2: Pour 1 cup of white vinegar over the onions. Add 1 teaspoon of sugar and 1 teaspoon of salt.
  • Step 3: Carefully pour boiled water into the jar, filling it to the top. Make sure all the onions are submerged.
  • Step 4: Seal the jar tightly and place it in the refrigerator. Let the onions pickle for at least 12 hours before enjoying.

Notes

FAQ's

Can you use apple cider vinegar for pickled onions?
Yes! Apple cider vinegar works well and adds a slightly fruity tang to the onions.
How long do pickled onions last?
Stored properly in the refrigerator, they’ll last up to 2 weeks.
Keyword onions, pickled, whiteonions

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Hello and Welcome!

My name is Juliana and I am a Registered Dietitian in Ontario, Canada. On my page I share simple recipes, nutrition tips and more!

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Juliana Crimi, RD, MHSc

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Toronto, Ontario

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