Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1      cup           chicken or beef broth
   1      cup           water
     1/2  cup           cider vinegar
     1/4  cup           rum -- preferable dark
   2      tablespoons   oil -- canola or corn

Preparation:

Combine all ingredients and use as a mop during barbequing.