Pumpernickel Bread(With Potato; 3 Loaves)  
["9 to 10 c. whole wheat flour", "4 c. dark rye flour", "2 Tbsp. salt (optional)", "3/4 c. cornmeal", "2 pkg. dry yeast", "3 1/2 c. water", "1/4 c. dark molasses", "3 Tbsp. cocoa powder mixed with 6 Tbsp. hot water (optional)", "1 Tbsp. melted butter", "2 c. mashed potatoes", "2 tsp. caraway seed"]
["Combine the whole wheat and rye flours.", "In a very large bowl, mix 2 cups of the flour mixture with the salt, cornmeal and yeast. In a saucepan, heat the water, molasses, cocoa mixture and butter until very warm (about 120\u00b0 to 130\u00b0).", "Add this to the dry ingredients in the large bowl.", "Add the mashed potatoes and 1 more cup of the flour.", "Stir in caraway seed and enough of the flour mixture to make a stiff dough.", "Turn out onto a lightly floured surface and knead for 15 minutes.", "Add more flour if the mixture seems too sticky.", "Place in a buttered bowl; turn once to coat top.", "Cover and place in a warm spot to rise until doubled in bulk (about 1 hour)."]
["whole wheat flour", "dark rye flour", "salt", "cornmeal", "yeast", "water", "dark molasses", "cocoa powder mixed", "butter", "potatoes", "caraway seed"]