Step 1

In a small saucepan heat the vinegar, water, sugar and salt until it boils and the sugar dissolves, about 2 minutes.

Step 2

Transfer the onions to a heat safe bowl with the bay leaves and pour liquid over the onions.

Step 3

Set aside to cool then transfer to a glass jar and refrigerate overnight. For quicker onions, you can leave around 30 minutes to 1 hour. The onions will have a slightly less intense flavor compared to leaving them overnight, but they will still be tasty.