Oregano pickled onions are a quick, tangy condiment featuring fresh herbs and red onions balanced with apple cider vinegar. This versatile topping transforms carnitas, burritos, and tacos with bright, acidic flavor in just minutes.
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In a small saucepan, combine equal parts apple cider vinegar and water.
Bring the liquid to a boil over medium-high heat.
Add the diced red onion to the boiling liquid and cook until just slightly softened.
Season with a pinch of salt.
Drain the onions and transfer them to a serving bowl.
Drizzle with oil and add the chopped fresh oregano and parsley.
Mix well to combine and serve.
Store in an airtight container in the refrigerator for up to 2 weeks. Flavor deepens after 4–6 hours and peaks at 24 hours.
Store in an airtight container in the refrigerator for up to 2 weeks. The flavor deepens after the first few hours.
Yes. Prepare the onions and pickling liquid up to 3 days in advance, then combine just before serving for best herb freshness, or combine ahead and let flavors meld overnight.
White vinegar, lime juice, or red wine vinegar work well. Lime juice gives a brighter, more Mexican flavor profile.
Use 1 teaspoon dried oregano instead of 1 tablespoon fresh. Dried herbs are more concentrated, so reduce the quantity.
Yes. All ingredients are plant-based, though the sunflower oil can be replaced with olive oil if preferred.
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