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Pickled Onions Apple Cider Vinegar after set and ready to eat in a mason jar
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5 from 5 votes

Pickled Onions Apple Cider Vinegar

Sweet, tangy, and packed with flavor, this Pickled Onions Apple Cider Vinegar recipe is a must-have condiment for adding a pop of acidity and crunch to your favorite dishes. The natural sweetness of red onions is enhanced with apple cider vinegar, a touch of sugar, and sea salt, creating the perfect balance of flavors.
Prep Time10 minutes
Rest Time1 hour
Total Time1 hour 10 minutes
Course: Homemade Staples
Cuisine: American, Mexican-Inspired
Keyword: Homemade Staples, Mexican-Inspired, Onions, Pickled Vegetables, Vegetables
Servings: 6
Calories: 39kcal
Author: Eva Filer

Equipment

  • Mandolin or Sharp Knife
  • Small Saucepan
  • Measuring Cups and Spoons
  • 1 8-ounce Mason Jar

Ingredients

  • 2 red onions, small sliced thin
  • cup apple cider vinegar
  • cup water
  • 2 ½ tablespoon granulated sugar
  • 1 teaspoon sea salt

Instructions

  • Thinly slice onions and loosely pack a mason jar full (note: do not pack too tight). Set aside.
  • In a small saucepan add apple cider vinegar, water, sugar and salt. Bring to a boil over medium heat to fully dissolve sugar.
  • Carefully pour liquid on top of the onion to fully submerge.
  • Tighten the lid and store upside-down for at least 1 hour to infuse flavors evenly.
  • Serve on tacos, nachos, sliders, salads or as part of any recipe desired.

Notes

  • I like to use a mandolin when slicing my onions to ensure similar sized cuts, but you can use a sharp knife if you prefer.
  • Do not over pack the jar, allow the onions space to soak up the brine evenly.
  • Storing upside-down for an hour helps distribute flavors. It also creates a nice airtight seal.
  • While ready in an hour, they taste even better after 24 hours. You want a nice bright pink coloring.
  • Experiment with spices, try garlic, black peppercorns, or chili flakes for extra depth.

Nutrition

Calories: 39kcal | Carbohydrates: 9g | Protein: 0.4g | Fat: 0.1g | Saturated Fat: 0.01g | Polyunsaturated Fat: 0.01g | Monounsaturated Fat: 0.01g | Sodium: 391mg | Potassium: 73mg | Fiber: 1g | Sugar: 7g | Vitamin A: 1IU | Vitamin C: 3mg | Calcium: 11mg | Iron: 0.1mg
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