granny's kitchens apple cider donuts

Ingredients

• 1 cup apple cider (100% pure, unsweetened if possible)
• 2 ¼ cups all-purpose flour, measured and sifted
• ½ cup granulated sugar
• 2 teaspoons baking powder
• ½ teaspoon salt
• 1 teaspoon ground cinnamon
• ¼ teaspoon ground nutmeg
• 2 large eggs (at room temperature)
• ½ cup buttermilk (or whole milk mixed with 1 teaspoon apple cider vinegar; let sit 5 minutes)
• ¼ cup apple cider reduction (prepared from above; cool to room temperature)
• ¼ cup unsalted butter, melted and slightly cooled
• 1 teaspoon vanilla extract
• About 2–3 cups vegetable oil or canola oil (for deep frying; enough to fill a deep, heavy pot about 2 inches deep)
• ½ cup powdered sugar (for dusting or to make a glaze with a splash of milk and extra apple cider)