Preheat Your Oven: Set your oven to 350°F (175°C) and grease your donut pan.
Mix Wet Ingredients: Combine pumpkin puree, granulated sugar, brown sugar, vegetable oil, and eggs in a bowl. Whisk until smooth.
Combine Dry Ingredients: In another bowl, whisk together flour, baking powder, cinnamon, and salt.
Mix Together: Slowly add dry ingredients into the wet mixture, stirring gently until just combined.
Fill the Pan: Spoon the batter into the donut pan, filling each cavity about 3/4 full.
Bake: Place the pan in the oven and bake for 10-12 minutes.
Cool: Let the donuts rest in the pan for 5 minutes before transferring them to a wire rack.
Glaze or Top: Once cool, drizzle with your favorite glaze or sprinkle with powdered sugar.