Spiced Apple Cider Donuts: My Fall Baking Secret!

Ingredients

• 4 cups (946 ml) apple cider
• 2 cups (250g) all-purpose flour, plus more for dusting
• 1 teaspoon baking powder (4g)
• 1/2 teaspoon baking soda (2g)
• 1/2 teaspoon ground cinnamon (1.5g)
• 1/4 teaspoon ground nutmeg (0.7g)
• 1/4 teaspoon ground allspice (0.7g)
• 1/4 teaspoon salt (1.5g)
• 1/2 cup (113g) unsalted butter, softened
• 3/4 cup (150g) granulated sugar
• 2 large eggs (approx. 100g), lightly beaten
• 1 teaspoon vanilla extract (5ml)
• 1/2 cup (120ml) apple cider reduction, cooled
• 1/2 cup (120ml) buttermilk
• 2 cups (240g) powdered sugar (icing sugar)
• 3-4 tablespoons (45-60ml) apple cider reduction
• 1/4 teaspoon ground cinnamon (1g)