Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   2      cups          cider vinegar
   2      tablespoons   salt
   2      teaspoons     ground red pepper
   1      tablespoon    red pepper flakes
   2      tablespoons   brown sugar

Preparation:

Combine all ingredients and let sit for an hour or more at room temperature to let flavors combine and mature.