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A hand using a fork to scoop some pickled red onions out of a jar
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5 from 3 votes

Pickled Red Onions

These pickled red onions are packed with flavor and tang, and will add a delicious zip to any taco, salad, or sandwich.
Prep Time5 minutes
Cook Time0 minutes
Refrigeration Time8 hours
Total Time8 hours 5 minutes
Course: Salad
Cuisine: Mexican/Spanish
Keyword: pickled red onions
Servings: 12
Calories: 9kcal
Author: Kelsey Crist

Equipment

  • 1 glass jar with lid

Ingredients

Instructions

  • Place the sliced red onion into a glass jar with a lid.
    Thinly sliced red onions in a jar with a lid
  • In a separate bowl, mix together the vinegars, sugar, and salt. Pour warm water over the top. Mix until all the salt and sugar dissolve.
    Vinegar, sugar, and salt in a glass measuring cup
  • Pour over the onions until they are all covered.
    Pickling mixture being poured into a glass jar full of sliced red onions
  • Place the lid on the jar. Give the jar a little shake to make sure all the onions are coated with liquid.
    Thinly sliced red onions in a jar full of pickling mixture with a lid
  • Refrigerate the jar overnight, or until the onions turn pink.
    A glass jar full of pickled red onions

Notes

To make pickled red onions quicker:
  • Mix the vinegar, salt, sugar, and water in a small sauce pan and bring to a simmer, but not a full boil.
  • Pour it over the onions and let them sit on the counter for 30 minutes.
  • Store any leftovers in the fridge.

Nutrition

Calories: 9kcal | Carbohydrates: 2g | Protein: 1g | Fat: 1g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Sodium: 293mg | Potassium: 16mg | Fiber: 1g | Sugar: 1g | Vitamin A: 1IU | Vitamin C: 1mg | Calcium: 4mg | Iron: 1mg