Preheat oven to 350°F and spray 2 9×5 loaf pans with non-stick cooking spray.

Using a mixer, cream together butter, oil, and sugar. When this becomes a light yellow color and looks fluffy, add the eggs and mix until fluffy again.

Add the pumpkin,  vanilla, and pumpkin pie spice and mix until combined.

In the bowl with the wet ingredients, add the flours, baking soda, baking powder, and salt in that order – give it a stir on top and then start the mixer to combine.

Divide the batter between two loaf pans. Bake for 45-50 minutes or until golden brown on top and a knife inserted into the center comes out clean.

Let cool slightly in pans before removing.