Preheat the oven to 425 degrees F.
In a medium bowl, beat together the pumpkin and eggs. Stir in the dry ingredients.
Gradually whisk in the milk until smooth. Pour the contents into a 9- inch pie shell. Drizzle the maple syrup on top.
Bake for 15 minutes. Reduce the heat to 350 degrees F. and continue to bake for 35 to 40 minutes, or until a knife inserted comes out clean.
Place on a wire rack to cool. Serve at room temperature or chilled.