Pickled Red Onion Recipe
These quick pickled red onions add tangy crunch and a pop of color to your favorite meals! With their sweet-and-sour flavor, they’re delicious on tacos, burgers, salads, breakfast, and so much more. Make a jar ahead of time and keep it in the fridge whenever a meal needs a little extra something.
Thinly slice the red onion into rings or half-moons. Use a mandoline slicer for perfectly uniform slices.
In a small saucepan, combine the vinegar, water, sugar, and salt. Bring to a soft boil and stir until the sugar and salt dissolve.
Place the sliced onions in a clean glass jar, keeping the layers separate. Add any optional toppings.
Let the pickling liquid cool slightly, then pour it over the onions, making sure they're fully covered.
Seal the jar and refrigerate. The onions are ready when the water is pink. For best results, wait one day.
Enjoy these tangy pickled red onions on your favorite meals for up to two weeks.
- Choose firm, fresh red onions for the best flavor, color, and crunch.
- White vinegar adds classic tang, while apple cider, red wine, or rice vinegar offer different flavor profiles.
- Warm the pickling liquid just enough to dissolve the sugar and salt, don’t boil.
- Make sure the onions are fully submerged in the pickling liquid.
- Refrigerate for a few hours before serving; chilling overnight adds even more flavor.
- Use a mandoline for thin, even slices.
- Store in a clean glass jar with a tight-fitting lid in the refrigerator.
- Keep refrigerated and enjoy within two weeks. Label the jar with the date you made it.