Preheat waffle iron
In a large bowl mix together flour, sugar, pumpkin pie spice, baking powder, baking soda, and salt until well combined.
In a separate bowl whisk together buttermilk, eggs, pumpkin puree, and melted butter until smooth.
Add pumpkin mixture to flour and mix until everything is well blended.
Spray a hot waffle iron with non-stick spray. Fill with batter and cook until golden.
Remove from waffle iron and serve with butter and maple syrup.
