Steps:

• In a small saucepan, bring cider to a rapid boil; cook over high heat until reduced by half, about 12 minutes. Cool completely., Whisk together flours, brown sugar, baking powder, salt, baking soda and spices. In a separate bowl, whisk eggs, melted butter and cooled cider; stir into dry ingredients just until moistened (dough will be sticky). Refrigerate, covered, until firm enough to shape, about 1 hour., Divide dough in half. On a floured surface, pat each portion to 1/2-in. thickness; cut with a floured 3-in. doughnut cutter., In an electric skillet or deep fryer, heat oil to 325°. Fry doughnuts, a few at a time, until golden brown, 2-3 minutes on each side. Fry doughnut holes, a few at time, until golden brown and cooked through, about 1 minute on each side. Drain on paper towels; cool slightly. If desired, dip doughnuts into glaze or sugar of your choice.

Steps:

• In a large bowl, dissolve yeast in warm buttermilk. Add potatoes, eggs and butter. Add 2 cups sugar, baking powder, baking soda, salt, nutmeg and 3 cups flour. Beat until smooth. Stir in enough remaining flour to form a soft dough. Do not knead. Cover and refrigerate for 2 hours. , Turn onto a floured surface; divide into fourths. Roll each portion to 1/2-in. thickness. Cut with a floured 3-in. doughnut cutter. , In an electric skillet or deep-fat fryer, heat oil to 375°. Fry doughnuts, a few at a time, until golden brown on both sides. Drain on paper towels. Combine remaining sugar and cinnamon; roll doughnuts in cinnamon-sugar while warm.