Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   2      cups          cider vinegar
   1      tablespoon    peppercorns
   1      teaspoon      celery seeds
   1      teaspoon      salt
   1      tablespoon    hot pepper flakes
   1                    onion -- grated
   1      cup           water

Preparation:

Mix ingredients well and simmer for 15-20 minutes on low heat until onions are cooked through.