01 -
Pour 2 cups apple cider into a saucepan and bring to a simmer over medium heat. Reduce until approximately 1/2 cup remains, stirring occasionally to prevent burning. Let cool completely to intensify flavor.
02 -
In a medium bowl, whisk together flour, baking powder, baking soda, cinnamon, nutmeg, and salt until evenly mixed.
03 -
In a large bowl, beat softened butter with granulated sugar until light and fluffy.
04 -
Add eggs one at a time to the creamed butter mixture, beating well after each addition, then blend in reduced apple cider, buttermilk, and vanilla extract.
05 -
Gradually fold the dry ingredient mixture into the wet ingredients until just combined, forming a soft and slightly sticky dough. Cover and refrigerate for at least 1 hour to firm the dough.
06 -
Lightly flour a work surface and roll chilled dough to 1/2-inch thickness. Use a doughnut cutter or nested round cutters to cut doughnuts and holes. Reroll scraps as needed.
07 -
In a large heavy-bottomed pot, heat 2 to 3 inches of vegetable oil to 350°F. Fry doughnuts in small batches for 1 to 2 minutes per side or until golden brown. Remove with a slotted spoon and drain on paper towels.
08 -
Combine granulated sugar and ground cinnamon in a shallow bowl.
09 -
While still warm, toss fried doughnuts and holes in the cinnamon sugar mixture until thoroughly coated.