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3.7 from 150 votes

Pickled Red Onions

Pickled red onions are a simple easy refrigerator pickle project to add to your repertoire ~ they're not only beautiful, they're a workhorse when it comes to jazzing up lots of different kinds of foods!

Prep Time
10 mins
Total Time
10 mins
Servings: 12 servings
Calories: 22 kcal
Course: Condiments
Cuisine: American

Ingredients

  • 2 medium Red Onions
  • 1 cup white vinegar
  • 1/2 cup water
  • 1 Tbsp multicolor peppercorns
  • 1/2 tsp yellow mustard seeds
  • 1/2 tsp cumin seed
  • pinch of sea salt
  • 2 Tbsp sugar
  • 1 jalapeno or Serrano pepper, sliced. Optional!

Instructions

    Cup of Yum
  1. Peel and thinly slice the onions. Note: I use my mandoline slicer for thin, even slices.
  2. Put the vinegar, water, and all the spices in a small pan and bring up to a simmer. Take off the heat, and add the onions and hot pepper. Mix well.
  3. Place the onions in a mason jar and pour the liquid over them. Make sure the liquid covers the onions. Let cool, then cover and refrigerate.
  4. Your pickled onions are ready to enjoy once they have chilled. They will keep in the refrigerator for a month.

Notes

  • You can use pickling spice in place of the individual spices listed.
  • You can use any wide mouth canning jar for these pickles. 

Nutrition Information

Calories 22kcal (1%) Carbohydrates 4g (1%) Protein 1g (2%) Fat 1g (2%) Saturated Fat 1g (5%) Polyunsaturated Fat 1g Monounsaturated Fat 1g Sodium 2mg (0%) Potassium 41mg (1%) Fiber 1g (4%) Sugar 3g (6%) Vitamin A 6IU (0%) Vitamin C 1mg (1%) Calcium 11mg (1%) Iron 1mg (6%)

Nutrition Facts

Serving: 12servings

Amount Per Serving

Calories 22

% Daily Value*

Calories 22kcal 1%
Carbohydrates 4g 1%
Protein 1g 2%
Fat 1g 2%
Saturated Fat 1g 5%
Polyunsaturated Fat 1g 6%
Monounsaturated Fat 1g 5%
Sodium 2mg 0%
Potassium 41mg 1%
Fiber 1g 4%
Sugar 3g 6%
Vitamin A 6IU 0%
Vitamin C 1mg 1%
Calcium 11mg 1%
Iron 1mg 6%

* Percent Daily Values are based on a 2,000 calorie diet.