01 - 
                In a medium bowl, whisk together flour, brown sugar, pumpkin pie spice, baking powder, baking soda, and salt until evenly mixed.
              
              
              
                02 - 
                In a separate bowl, whisk pumpkin purée, maple syrup, eggs, melted coconut oil, and vanilla extract until fully combined and smooth.
              
              
              
                03 - 
                Add wet ingredients to dry ingredients and gently fold with a silicone spoon, scraping the bowl’s sides and bottom, until just combined.
              
              
              
                04 - 
                Transfer batter into a piping bag or a resealable plastic bag with the corner cut off. Pipe the batter evenly into a greased donut pan, filling about three-quarters full to maintain donut shape.
              
              
              
                05 - 
                Bake in a preheated oven at 175°C (350°F) for 18 minutes, or until a toothpick inserted in the center comes out clean.
              
              
              
                06 - 
                While donuts cool on a wire rack for 5 minutes, combine granulated sugar and ground cinnamon in a shallow bowl.
              
              
              
                07 - 
                Lightly brush both sides of each donut with vegetable oil, then dip and twist in the cinnamon sugar to evenly coat.