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The Best Pickled Red Onions for Tacos, Salads & Bowls

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Hannah Kling
These quick pickled red onions are a tangy, slightly sweet condiment made with simple pantry ingredients. Perfect for tacos, bowls, salads, and sandwiches, they come together in minutes and are a great meal prep staple to keep on hand.
Prep Time 10 minutes
rest time 30 minutes
Total Time 40 minutes
Servings 1 cup

Ingredients  

  • 1 large red onion (thinly sliced)
  • ½ cup white vinegar
  • ½ cup warm water
  • 1 tbsp honey
  • 1 tsp salt
  • 2 cloves garlic (smashed)
  • ½ tsp black peppercorns
  • ½ tsp red pepper flakes
  • 1 small bay leaf
  • 1-2 tsp fresh lime juice

Instructions

  • Thinly slice the red onion and place into a clean jar or bowl.
  • In a bowl or measuring cup, whisk together the vinegar, warm water, honey, and salt until dissolved.
  • Add the garlic, peppercorns, red pepper flakes, bay leaf, and lime juice to the onions.
  • Pour the brine over the onions, making sure they’re fully submerged. Press them down if needed.
  • Let sit at room temperature for 30 minutes, or refrigerate for 1–2 hours .

Notes

  • You can swap honey for maple syrup if preferred
  • White vinegar can be replaced with apple cider vinegar for a slightly different flavor
  • Adjust red pepper flakes based on spice preference
  • If onions taste too sharp, let them sit longer to mellow
  • Works with thinly sliced shallots as well
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