These quick pickled red onions are tangy, crisp, and slightly sweet, with no canning required. They're ready in about 30 minutes and add the perfect pop of acidity to tacos, grain bowls, sandwiches, salads, and more.
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These quick pickled onions are crisp, tangy, slightly sweet, and ready after about 30 minutes - no canning required. I use a simple hot-water vinegar brine so the salt and sugar dissolve quickly and the onions soften just enough while still keeping their crunch.
They're one of my favorite make-ahead condiments for tacos, grain bowls, sandwiches, salads, and anything that needs a bright pop of acidity.
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✨ Why You'll Love These Pickled Red Onions
- Quick and easy: No canning required - just slice the onions, pour over the brine, and refrigerate.
- Ready in 30 minutes: They soften quickly while still keeping a nice crisp texture.
- Bright, tangy flavor: The vinegar, salt, and touch of sugar balance the sharpness of the red onion.
- Made with pantry staples: You only need a few simple ingredients you probably already have.
- So versatile: Add them to tacos, grain bowls, burgers, chili, eggs, salads, and more for instant brightness and crunch.
💬 How To Use Quick Pickled Red Onions
Pickled red onions add bright, tangy crunch to rich, savory, or spicy dishes. Try them on:
- Tacos, vegetarian enchiladas, and burrito bowls for acidity and color.
- Sandwiches, burgers, and wraps in place of raw onion.
- Grain bowls and salads to balance creamy dressings, avocado, beans, or roasted vegetables.
- Soups and chili as a fresh, crunchy topping.
- Eggs and brunch dishes like avocado toast, breakfast tacos, or frittatas.
- Snack boards and appetizers with cheese, hummus, or crackers.
A little goes a long way, so start with a small spoonful and add more to taste.
🍽 Ingredient Notes
- Apple cider vinegar - Adds a tangy, slightly fruity flavor. Rice vinegar, red wine vinegar, or white wine vinegar also work.
- Granulated sugar - Just enough to balance the acidity. You can use maple syrup or honey instead.
- Red onion - Slice it very thinly so the onions soften quickly while staying crisp. A mandoline works well, but a sharp knife is fine.
- Salt - Essential for flavor and for helping the onions soften in the brine.
- Hot water - Helps dissolve the sugar and salt quickly without needing to boil the brine.
- Optional flavor add-ins: For extra flavor, add a smashed garlic clove, a few peppercorns, a pinch of red pepper flakes, or fresh herbs like thyme or oregano to the jar before adding the brine.
🔪 How to Make Quick Pickled Red Onions
Making pickled onions couldn't be easier! It's just three simple steps:
Whisk together hot water, vinegar, sugar and salt, until sugar is completely dissolved.
Place sliced onion in a medium-to-large bowl and pour pickling mixture over onion. Let sit for 30 minutes to 1 hour at room temperature.
Store in an airtight container in refrigerator for up to 2 weeks.
👩🏼🍳 Expert Tips for the Best Quick Pickled Onions
- Slice the onions thinly. Thin slices pickle faster and have a better texture. Use a mandoline if you want very even slices.
- Use hot water, not cold. Hot water helps dissolve the sugar and salt so the brine seasons the onions evenly.
- Pack the onions tightly. Press them into the jar so they're fully covered by the brine.
- Let them sit for at least 30 minutes. They'll soften and turn bright pink as they sit, but the flavor gets even better after a few hours.
- Use a clean jar. Since these are refrigerator pickled onions, a clean airtight jar helps them stay fresh.
- Don't treat them like canned pickles. These are quick refrigerator pickles, so they need to be stored in the fridge and eaten within about 2 weeks.
👩🏼🍳 Storage
Store in an airtight container in the refrigerator for up to 2 weeks. I don't usually recommend freezing pickled red onions because they lose some of their crisp texture.
💬 Frequently Asked Questions
Yes, but the flavor will be sharper. The small amount of sugar balances the vinegar and softens the bite of the onion.
Stored in the refrigerator in an air-tight container, quick-pickled onions can last up to 2 weeks.
No. For this quick refrigerator version, hot water is enough to dissolve the sugar and salt.
No. These are quick vinegar pickled onions, not fermented onions, so they should be stored in the fridge and eaten within 2 weeks.
Recipes To Serve With Pickled Red Onions
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Quick Pickled Red Onions Recipe
Ingredients
- 1 cup hot water
- ½ cup apple cider vinegar
- 1 Tablespoon granulated sugar
- 1 ½ teaspoon salt
- 1 red onion, thinly sliced
Instructions
- Whisk together hot water, vinegar, sugar and salt, until sugar is completely dissolved.
- Place sliced onion in a medium-to-large bowl and pour pickling mixture over onion. Let sit for 30 minutes to 1 hour at room temperature.
- Store in an airtight container in refrigerator for up to 2 weeks.
Video
Notes
- Slice the onions thinly. Thin slices pickle faster and have a better texture. Use a mandoline if you want very even slices.
- Use hot water, not cold. Hot water helps dissolve the sugar and salt so the brine seasons the onions evenly.
- Pack the onions tightly. Press them into the jar so they're fully covered by the brine.
Barbara J Haner says
I am going to mix up a batch of these right now. I love, love, love onions so these will be great for me to keep on hand! Thanks for all your great ideas and recipes!
Gastronotherapy says
You are welcome! 🙂
Angie says
Loved these!