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Quick pickled red onions in a jar, garnished with herbs.

Quick-Pickled Red Onions

A quick and easy recipe for pickling red onions that adds tangy crunch to tacos, salads, and more.
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Prep Time 10 minutes
Cook Time 5 minutes
Total Time 15 minutes
Servings: 4 servings
Course: Condiment, Snack
Cuisine: American, Mexican
Calories: 20
Ingredients Method Notes

Ingredients
  

Main Ingredients
  • 1 large red onion, thinly sliced
  • 1 cup vinegar Use apple cider vinegar for best results.
  • 1 cup water
  • 1.5 tablespoons sugar Adjust to taste.
  • 1 tablespoon salt
Optional Add-ins
  • to taste peppercorns For added flavor.
  • 1 clove garlic, smashed For savory flavor.
  • to taste chili flakes Add heat if desired.
  • 1 bay leaf Optional flavor enhancer.

Method
 

Preparation
  1. Pack the sliced red onion into a clean jar, tucking it in gently.
  2. In a small pot, combine the vinegar, water, sugar, and salt. Warm over medium heat and stir until dissolved.
  3. Pour the hot liquid over the onions, ensuring they are mostly covered.
  4. Let the jar sit on the counter until cooled, then refrigerate. You can start eating them after 20 to 30 minutes, but they taste best after a few hours.

Notes

Store pickled onions in the fridge; they stay tasty for about 2 weeks. For a quick flavor boost, consider adding sliced jalapeno or a pinch of cumin. Always use a clean fork when serving.