This quick, easy and crunchy condiments can be a nice addition to plenty of dishes! It takes very little time to prepare and can last for weeks in the refrigerator. There are endless uses for pickled onions. Their crunchy texture, zesty tang and bright color will add vibes to almost any dish. They're excellent for serving with sandwich and salad buffets at parties. The pickled onions will preserve best in a glass or ceramic container with a tight lid. Most metals will react with the vinegar, and plastic may absorb the flavors. This pickled onions recipe can also be used for marinating yellow or white onions. You won't get that lovely bright-pink color, but if that's not important to you, then go for it. Just make sure to select the onions that are firm and free from soft spots.