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Quick Pickled Red Onions Recipe
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4.93 from 13 votes

Quick Pickled Red Onions

Quick pickled red onions is such an easy recipe and the perfect accompaniment to your favorite meals. The pungent heat from the red onion dissipates overnight into a sweet crunch and a vibrant pink color. Its flavor is as bright as its appearance.
Prep Time5 minutes
Soaking1 hour
Total Time1 hour 5 minutes
Course: Side Dish
Cuisine: American
Servings: 1 quart
Calories: 187kcal


  • 1 large red onion thinly sliced
  • 2 cups apple cider vinegar
  • 1 cup water
  • 2 tablespoons sugar
  • 1 tablespoon kosher salt


  • Whisk vinegar, water, sugar, and salt together in a saucepan and bring the pickling liquid to a boil. Cook until the sugar and salt are fully dissolved then remove from heat and let the brine cool to room temperature.
  • Place onion slices in a sealed container and add the vinegar mixture until covered. A 1 quart mason jar works perfectly for this.
  • Let sit for at least 1 hour, but it is best if left in the fridge overnight.


Calories: 187kcal | Carbohydrates: 36g | Protein: 1g | Fat: 1g | Saturated Fat: 1g | Sodium: 7018mg | Potassium: 335mg | Fiber: 2g | Sugar: 30g | Vitamin C: 8mg | Calcium: 57mg | Iron: 1mg