- Preheat the oven to 350° 
- Prepare 2- 8" round pans with pan release or baking spray and lightly flour if desired. 
- In a large bowl of a mixer, or mix by hand. Place the Sugar and eggs into the bowl and mix well to combine. 
- Add in the flour, milk, pumpkin, butter, oil, baking powder, vanilla, and pumpkin pie spice until smooth, mix until the batter is well blended and all ingredients are incorporated. 
- Pour the cake batter evenly into each cake pan and spread it smoothly. 
- Place both cake pans on the middle rack in the center of the oven. 
- Bake at 350° for about 30 minutes, test about 15 minutes to be sure it's not done, test with a toothpick, when it comes out clean. Place cake pans on a wire rack and cool for 10 minutes.  
- Remove the cakes from the pans by turning the cakes onto the wire rack. Cool completely.