Mulled Spiced Apple Cider Doughnuts

Bahan-bahan (18 porsi)

• 3 cups apple cider
• 1 stick cinnamon
• 6 tablespoons salted butter
• 1/4 cup real maple syrup
• 1/2 cup apple butter
• 1 tablespoon vanilla extract
• 2 eggs
• 4 -5 cups all-purpose flour, plus more if needed
• 1 tablespoon baking powder
• 1/4 teaspoon baking soda
• 1 teaspoon kosher salt
• 1 teaspoon cinnamon
• 1/4 teaspoon freshly grated nutmeg
• 1 cup granulated sugar
• 1 tablespoon ground cinnamon
• high heat natural oil, for frying (such as vegetable oil)