Whenever a dish needs a pop of brightness, acidity, or color, I turn to the trusty jar of pickled red onions in my fridge.

Pickled red onions are the kind of tangy, pungent accessory to a variety of dishes, from hamburgers to barbecue-smoked meats. They even serve as a great upgrade to classic nachos. However ...

Make the pickles: Place onions and oregano in a pint jar or container. Add warm brine to cover. Place lid on jar and seal. Transfer to refrigerator. Let chill 4 hours before using.