2      cups          buttermilk, dried
             8      cups          flour, all-purpose
               1/2  cup           sugar
             8      tsp           baking powder
             4      tsp           baking soda
             2      tsp           salt

          In a large bowl, combine all ingredients. Stir with a wire whisk until
          evenly distributed. Pour into a 12-cup container with a tight-fitting
          lid.   Seal container. Label with date and contents. Store in a cool dry
          place.  Use within 6 months.
          Make about 10-1/2 cups mix.