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pickled red onions in a glass jar
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5 from 1 vote

Pickled Red Onion Recipe

Looking for the perfect quick homemade condiment to use on tacos, nachos, pizza, salads, and just about anything you can dream up? Look no further than Pickled Red Onions.
Prep Time15 mins
Total Time15 mins
Course: Condiment
Keyword: easy condiment, easy side dish, pickles
Servings: 10
Calories: 16kcal
Author: Jess Smith via Inquiring Chef
Cost: $3.00


  • Mixing Bowl
  • Mason Jars


  • 1 Red Onion, thinly sliced (if the onions are smaller, use two)
  • ½ cup Water
  • ½ cup Apple Cider Vinegar
  • 2 Tablespoons Sugar (sub honey or maple syrup)
  • 2 teaspoon Kosher Salt


  • Thinly slice the red onions. Gently pack them into jars or high-sided bowls.
  • Heat water in the microwave just until warm to the touch (1 to 2 minutes). Stir in apple cider vinegar, sugar, and kosher salt until salt dissolves.
  • Pour liquids over red onions. (Note: If they are not fully covered, you may need to mix up more of the liquid mixture to pour over top.)
  • Let pickles marinate, covered in the refrigerator, for at least 30 minutes and up to a month.
  • Drain pickles before using.


Onions - This recipe will work with any type of onions. Feel free to experiment with white or yellow onions for different flavors. 


Calories: 16kcal | Carbohydrates: 4g | Protein: 1g | Fat: 1g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Sodium: 79mg | Potassium: 25mg | Fiber: 1g | Sugar: 3g | Vitamin A: 1IU | Vitamin C: 1mg | Calcium: 4mg | Iron: 1mg