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Quick Pickled Red Onions

These quick pickled red onions will liven up any dish! Make a quick simmered brine or follow the directions for the no-cook version. 

Using a fork to pick up rings of homemade pickled red onions out of a jar.

Quick pickled red onions are a simple and delicious way to liven up many foods. They’re sweet and sour and have a mildly spicy red onion bite. They add an acidic component to rich foods.

Serve them at any BBQ or Cookout. Pickled onions are fantastic with grilled meats, including hot dogs and burgers.  

You can even put out a jar at Thanksgiving or Christmas. They’re a great way to liven up that turkey dinner and add the acidic component that is often lacking.  Plus, the red color looks festive on a Christmas table!

Ingredients

Sugar, apple cider vinegar, salt, water, and a red onion on a countertop.

A raw red onion.

A quick pickling solution made with apple cider vinegar, salt, sugar, and water to brine the onions.

Instructions

Thin sliced red onions on a cutting board.

Peel and thinly slice the red onion. Then, pack the slices into a pint sized jar.

Simmering a apple cider vinegar pickle brine on the stove.

Bring the apple cider vinegar, water, sugar, and salt to a simmer in a small pot.

Pour the brine over the onions.

Using the back of a spoon to submerge red onions in pickling brine.

Use the back of a spoon to submerge the onions in the brine. Close the jar lid and allow the onions to brine at room temperature for least 30 minutes. Then, refrigerate until ready to serve.

Gently shaking a jar of pickled red onions.

Give the jar a shake before serving.

No Cook Pickled Onions

You can skip the boiling step if you don’t want to cook the onions. If you’re using raw apple cider vinegar, it will preserve the raw quality of the vinegar. Stir the brine ingredients together until the salt and sugar dissolve. Then, follow the instructions.

The onions take longer to absorb the cold brine. No-cook pickled onions in cold brine are best after sitting in the fridge overnight. Their texture and taste are also slightly different. Both methods produce excellent pickled onions!

Storage

These quick pickled onions will keep in the fridge for 3-4 weeks.

A jar of pickled red onions that are ready to eat.

Serving Tips

  • Serve them at a cookout or barbeque. They go with any grilled meat. Enjoy them with grilled chicken, steaks, hamburgers, hot dogs, or Dutch oven pulled pork.
  • Eat them with hearty meat-based dishes like stew or pot roast. They add an acidic pop that brightens up the dish.
  • Serve pickled red onions at Thanksgiving or Christmas. They add a fresh, crunchy, acidic element that traditional holiday dinners often lack.
  • Add them to sandwiches. They’re delicious on deli sandwiches, chicken, or roast beef sliders.
  • Chop pickled red onions to add to deli-style salads. Liven up salads that you would add pickles to. Try it with potato salad, tuna salad, and chicken salad.
  • Serve pickled red onions with savory brunch meals, or add them to avocado toast.
  • Serve them with your favorite Mexican foods. Add them to tacos, nachos, burritos, or carnitas.
  • Add them to a charcuterie board with meats, cheeses, and crackers.
  • Serve them as part of a Southern-style vegetable plate. Or with pinto beans and cornbread.
  • Once the onions are gone, whisk extra virgin olive oil into the remaining brine for a quick and delicious vinaigrette. You can also use the onions as a salad topping.
  • Bring a jar to a potluck or give it as a hostess gift. They make a great take-along dish that’s super versatile. They keep for a long time, so they can even be a hostess gift. If you’re unsure what to bring, these are a great option! Make sure the recipient knows to refrigerate them. You can make a homemade tag out of cardstock and tie it around the jar with a ribbon or rubber band. Include the ingredients and storage instructions.
Using a fork to pick up rings of homemade pickled red onions out of a jar.

Recipe

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Quick Pickled Red Onions

Using a fork to pick up rings of homemade pickled red onions out of a jar.

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These quick pickled red onions will liven up any dish!

  • Author: Mandi
  • Prep Time: 5 minutes
  • Cook Time: 5 minutes
  • Total Time: 10 minutes
  • Yield: 1 pint 1x
  • Category: Pickle
  • Method: Brine
  • Cuisine: American

Ingredients

Units Scale
  • 1 red onion
  • 1/2 cup apple cider vinegar
  • 1/3 cup water
  • 2 tablespoons sugar
  • 1/2 teaspoon salt

Instructions

  1. Peel and thinly slice the red onion*. Then, pack the sliced onion into a pint-sized jar.
  2. Add the apple cider vinegar, water, sugar, and salt to a small pot or saucier.
  3. Bring to a simmer over medium-high heat. Stir the mixture while it’s heating to dissolve the salt and sugar.
  4. Then, pour it over the onions. Use the back of a spoon to press down on the onions and submerge them.
  5. Tightly close the lid on the jar and let them brine at room temperature for 30 minutes.
  6. Serve or transfer the jar to the refrigerator until ready to serve.

Give the jar a good shake before serving.

Notes

*You want the onion to be thinly sliced but not shaved.

No Cook Pickled Red Onions

You can skip the boiling step if you don’t want to cook the onions. If you’re using raw apple cider vinegar, it will preserve the raw quality of the vinegar. Stir the brine ingredients together until the salt and sugar dissolve. Then, follow the instructions.

The onions take longer to absorb the cold brine. No-cook pickled onions in cold brine are best after sitting in the fridge overnight. Their texture and taste are also slightly different. Both methods produce excellent pickled onions!

Nutrition

  • Serving Size: 1/16 of jar, nutrition calculated including pickling brine
  • Calories: 11
  • Sugar: 2 g
  • Sodium: 73.6 mg
  • Fat: 0 g
  • Carbohydrates: 2.5 g
  • Fiber: 0.2 g
  • Protein: 0.1 g
  • Cholesterol: 0 mg

Did you make this recipe?

Tag @mandiofthemountains on Instagram – I can’t wait to see what you’ve made!

Frequently Asked Questions

Can I can these quick pickled red onions?

No. This recipe is not designed for canning. If you’re looking for safe recipes for home canning, check out The National Center for Home Food Preservation.

What’s the best vinegar to pickle onions?

Apple cider vinegar is the best vinegar for quick pickled red onions. It’s natural sweetness compliments the sharpness of the onions and allows you to use less sugar in the brine.

How long do pickled red onions last?

These quick pickled red onions will last 3-4 weeks in the fridge.

Why do you boil onions before pickling?

Sometimes, onions are blanched in boiling water before pickling. It is done to preserve their color and stop microbial activity. This step is unnecessary in quick pickled onions.

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