Preheat waffle iron according to manufacturer's directions; spray lightly with vegetable cooking spray.
Combine flour, baking powder, soda, salt, cinnamon, ginger, and nutmeg in a large bowl. Set aside.
Combine oil, molasses, pumpkin and buttermilk in a small bowl; set aside.
Whisk together egg and SPLENDA(R) Granulated Sweetener until blended. Add buttermilk mixture, whisking until blended. Add to dry ingredients, stirring just until moistened.
Pour batter into a hot waffle iron and bake approximately 5 minutes*. Serve with maple syrup.