Learn how to make quick pickled onions in under an hour with only 5 ingredients! They add a ton of flavor to salads, burgers, grain bowls, tacos and so much more!
Add vinegar, water, sugar and salt to a bowl and whisk together until the sugar and salt have dissolved.
Place onion slices in a mason jar.
Pour vinegar mixture on top, making sure all onion slices are covered with liquid. Let mixture sit at room temperature for 1 hour before covering and placing in the fridge.
Store in the liquid in the refrigerator for up to two weeks. Use a fork or slotted spoon to remove the onions from the liquid before using.