German black bread

1 pk yeast
      1 tb White sugar
     12 c  Bread flour
     12 c  Medium rye flour
      2 c  Whole wheat flour
    1/2 c  Unprocessed bran flakes
      1 tb Caraway seeds
      1 ts Salt
      1 ts Instant coffee powder
    1/4 ts Fennel seeds
      1 c  Water
      2 tb Water
      2 tb molasses
      2 tb Cider vinegar
    1/2 oz Unsweetened chocolate
 
  (I would cut back on that a bit) Cool the mixture to 105-115 degrees
  and add to dry ingredients. I suspect the exact ingredients don't
  really matter all that much. As long as the flour-to-liquid
  proportions are such as to make a dough of good consistency, the
  result will probably be highly edible.