Source : Webster's Revised Unabridged Dictionary (1913)

Hasty pudding \Has"ty pud"ding\
   1. A thick batter pudding made of Indian meal stirred into
      boiling water; mush. [U. S.]

   2. A batter or pudding made of flour or oatmeal, stirred into
      boiling water or milk. [Eng.]

Source : WordNet®

hasty pudding
     n 1: sweetened porridge made of tapioca or flour or oatmeal
          cooked quickly in milk or water
     2: cornmeal mush served with sweetening (maple syrup or brown
        sugar)