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A mason jar of pickled red onions next to a lid
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5 from 35 votes

Quick Pickled Red Onions

Pickled red onions are the ultimate flavor-boosting tool. They're tangy, slightly sweet, and punchy - perfect for tacos, bowls, and more!
Prep Time5 minutes
Cook Time1 hour
Total Time1 hour 5 minutes
Course: Seasoning
Cuisine: American
Keyword: Pickled Red Onion
Servings: 8 servings
Author: Lisa Bryan

Ingredients

  • 1 medium red onion
  • ½ cup hot water (it does not need to be boiling hot)
  • ½ cup apple cider vinegar
  • 1 tablespoon honey or maple syrup
  • 1 ½ teaspoons kosher salt
  • Optional flavor boosters (see above)
US - Metric

Instructions

  • Thinly slice the onion with a knife or mandoline, then place in a 16-ounce jar. Add any optional flavor boosters.
    Slicing red onions with a mandoline for pickled red onions
  • In a measuring cup, stir together the water, vinegar, honey, and salt.
    A measuring cup with brine for pickled red onions
  • Carefully pour the brine into the jar over the onions. Cover with a lid and refrigerate. They'll be ready to eat after about an hour in the fridge (they'll be vibrant pink), and will keep for 2 to 3 weeks in the fridge.
    A mason jar of pickled red onions

Video

Nutrition

Calories: 17kcal | Carbohydrates: 4g | Protein: 1g | Fat: 1g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Sodium: 438mg | Potassium: 32mg | Fiber: 1g | Sugar: 3g | Vitamin A: 1IU | Vitamin C: 1mg | Calcium: 5mg | Iron: 1mg