You’ll Need:7/8 cup water 3/4 teaspoon cider vinegar 1 1/2 cups bread flour 1/2 cup rye flour 1/4 cup oat bran 1 tablespoon butter or margarine 1 1/2 tablespoons granulated sugar 1 teaspoon salt 1 teaspoon caraway seeds 1 teaspoon dried minced onion 2 tablespoons unsweetened cocoa powder 1 teaspoon