Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   2      cups          strong coffee
   2      cups          citer vinegar
     1/2  cup           dark molasses
   1      medium        onion -- chunked

Preparation:

Combine the marinade ingredients in a blender. Pour the marinade over the pork in a plastic bag. Refrigerate the meat overnight. After removing the pork, bring the marinade to boiling. Boil briefly to destroy and bacteria that may be present. Cool and use for basting. Source: Rib Eye Express BBQ Tag Team