In a large mixing bowl, whisk together pumpkin, eggs, oil, vanilla extract and sugars until combined  Next add in the spices: ground cinnamon, ginger, allspice, and nutmeg.

Add all-purpose flour, baking powder, baking soda, and salt.

Gently whisk together until well combined.

Grease a 9×5 loaf pan.  Pour prepared batter into loaf pan.  Sprinkle roasted pepitas on top.

Place in a preheated oven at 350 degrees F.  Bake for 55 minutes to an hour or until a toothpick comes out clean. 

Let cool completely before slicing.