Quick Pickled Onions Recipe

About the Recipe

Bright, crisp, and bursting with tangy flavor, these Quick Pickled Onions are one of the easiest ways to add a fresh, zesty finish to countless dishes. Ready in just a few minutes with simple pantry ingredients, these homemade pickled red onions are perfect for topping tacos, burgers, sandwiches, salads, grain bowls, avocado toast, and grilled meats. Their vibrant color and balanced sweet and tangy flavor make them a staple condiment that belongs in every refrigerator.

Whether you are looking for a quick way to preserve extra onions or simply want to elevate everyday meals, this easy quick pickled onions recipe delivers delicious results with minimal effort.

Prep Time

10 minutes

Cook Time

5 minutes

Total Time

15 minutes, plus cooling time

Servings

Approximately 1 pint

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Ingredients

1 medium red onion, thinly sliced
½ cup red wine vinegar
½ cup boiling water
1 teaspoon granulated sugar
⅛ teaspoon salt

Preparation

Step 1: Slice the Onion

Peel the red onion and slice it as thinly as possible using a sharp knife or mandoline. Thin slices absorb the pickling liquid more quickly and create the best texture.

Step 2: Prepare the Pickling Brine

In a medium bowl or measuring cup, combine the red wine vinegar, boiling water, sugar, and salt. Stir until the sugar and salt have completely dissolved.

Step 3: Add the Onion

Place the sliced onions into a clean mason jar or heat-safe container. Carefully pour the warm pickling brine over the onions, making sure they are completely submerged.

Step 4: Cool and Refrigerate

Allow the onions to cool to room temperature before sealing the jar with a lid. Refrigerate for at least 30 minutes before serving. For the best flavor, allow the onions to pickle for several hours or overnight.

Step 5: Serve

Use the pickled onions to brighten tacos, burgers, wraps, sandwiches, salads, rice bowls, grilled vegetables, roasted meats, or seafood. Keep refrigerated and enjoy within 2 weeks.

Notes

For a slightly sweeter flavor, increase the sugar to 2 teaspoons.

Add whole peppercorns, garlic cloves, bay leaves, oregano, or red pepper flakes to customize the flavor.

White vinegar or apple cider vinegar may be substituted for the red wine vinegar if desired.

Always use a clean utensil when removing onions from the jar to help maintain freshness.

These quick pickled onions become even more flavorful after sitting in the refrigerator overnight, making them an excellent make-ahead condiment for meal prep.