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Quick Pickled Red Onions – Sweet Peas and Saffron


Quick pickled red onions are the great, tangy accent to tacos, sandwiches, salads, and more! Ready in 30 minutes with just 5 simple and healthy ingredients.

When it comes to adding flavor to your meals, your top bet is a delicious homemade stir fry sauce, one of these simple homemade seasoning blends, and these fast pickled red onions never fail to add a punch of flavor and tang to any recipe!

pickled red onions in jar from overhead

The great topping for our favorite portobello tacos, these fast pickled red onions are sweet and sour, with a bite of sharp and tangy flavor.

Serve them up on sandwiches, wraps, nachos, pizza, salads, and more! Easy to make with just 5 simple ingredients, fast pickled red onions will be alert to enjoy in just 30 minutes and can be stashed away in the fridge to enjoy up to 2 week later.

Reasons You’ll Love This Recipe

  • it’s so simple to prepare, but packs a ton of tangy delicious flavor
  • the great topping to tacos, salads, sandwiches, and more!
  • they keep in the fridge for up to 2 weeks – making them the great addition to meal prep lunches and dinners

Watch the video below to see how to make pickled onions! You can find more of my recipe videos on my YouTube channel.

Ingredient Notes

overhead view of ingredients required to make pickled onions
  • Garlic powder – swap garlic powder for 3-4 cloves fresh minced garlic if you’d like
  • Apple cider vinegar- I prefer to use Bragg’s raw unfiltered apple cider vinegar, but any brand should work for the sake of pickling. White vinegar does not make a good alternative for this recipe as it is far too sharp. Red or white wine vinegar might be better alternatives, however they have not been tested.

step by step directions

thinly sliced red onion on cutting board

Slice onion in half through the root. Place cut side down and chop off the root and tip of bulb, peel skin off. Work slowly with a sharp knife to create the thinnest slices you can across the middle of the onion.

onions in jar before microwaving

To a 2 cup/1 pint jar, add the onion slices, salt, oregano, garlic powder and apple cider vinegar. Do your top to stir it up.

Notedon’t worry if the onions are not submerged in the liquid; as they pickle they will soften and the salt will draw lots of liquid out for the onions. The top of the onions will become submerged eventually!

Weck Jars

These 500 ml Weck Jars with glass lids are so handy for meal prep. Use them for condiments such as pickled red onions, to jar salads, and so much more.

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side view of pickled onions in jar

Place the jar (ensuring no metal parts are present!) into a microwave and cook on high power for one minute. Stir, then place in the fridge for 30 minutes before enjoying.

Note – you can skip the microwave step and refrigerate onions overnight instead if you prefer!

close up of roasted portobello taco
  • Add some sweetness – pickled red onions traditionally conclude some sugar, honey, or maple syrup for sweetness. We’ve opted to abandon it out (I don’t miss it) but you could add a small amount (1-2 teaspoons) of your favorite sweetener such as maple syrup or honey
  • Herbs – swap oregano for thyme, basil, dill, or parsley (or abandon it out, totally optional)
  • whole spices- add ½ teaspoon black peppercorns, whole cumin or coriander seeds, fennel seeds, or caraway
  • Garlic powder – swap for 3-4 cloves fresh minced garlic for stronger garlic flavor
  • Red pepper flakes – add ½ teaspoon for some heat
  • Balsamic vinegar – add in 1-2 tablespoons balsamic vinegar for some wealthy and subtle sweet flavors
  • Sliced jalapeños- to add dimension and a kick

FAQ

Can I swap red onion for white or yellow onions?

Sure! We haven’t tested it, but it should work just the same. This could work well with shallots as well! Red onions are preferred because of their mild, sweet flavor.

How long do pickled onions last?

Store them in an airtight container in the fridge for up to 2 weeks.

What do pickled red onions taste like?

Tangy, briny, slightly sweet – and totally delicious! They usually have a bit of crunch (the longer they are stored, the less crunchy they will be).

  • Fridge – store in an airtight container in the fridge for up to 2 weeks
  • Freeze – we have never tried freezing these fast pickled red onions, but they would probably freeze/ thaw just fine. It might work well to portion out and freeze them in ice cube trays, too!

Did you make this? Tag me on social @sweetpeasandsaffron and be sure to abandon a comment and rate the recipe!

Quick pickled red onions are the great, tangy accent to tacos, sandwiches, salads, and more! Ready in 30 minutes with just 5 simple and healthy ingredients.

  1. swap garlic powder for 3-4 cloves fresh minced garlic if you’d like
  2. you can skip the microwave step and refrigerate onions overnight instead
  3. this recipe makes roughly 1 cup of pickled onions

Storage

  • Fridge – store in an airtight container in the fridge for up to 2 weeks
  • Freeze – we have never tried freezing these fast pickled red onions, but they would probably freeze/ thaw just fine. It might work well to portion out and freeze them in ice cube trays, too!

Serving: 2tablespoons, Calories: 8kcal, Carbohydrates: 2g, Protein: 1g, Fat: 1g, Saturated Fat: 1g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 1g, Sodium: 6mg, Potassium: 29mg, Fiber: 1g, Sugar: 1g, Vitamin A: 2IU, Vitamin C: 1mg, Calcium: 6mg, Iron: 1mg




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