A common ingredient used for pickling is vinegar. Vinegar, usually distilled or apple cider vinegar, provides the acidity necessary for the pickling process, which helps preserve the food while also imparting a distinct flavor. The food, typically vegetables like cucumbers, carrots, and onions, is submerged in a mixture of vinegar, water, salt, and sometimes sugar and spices, allowing it to marinate for a period of time. Pickling not only extends the shelf life of various foods but also results in delicious tangy flavors that enhance many dishes and salads.