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 -- chopped fine
   1      cup           water

Preparation:

Combine in large saucepan. Bring to boil, reduce heat, and simmer uncovered for one hour. Strain, if desired.