Preheat oven to 350 degrees. Spray 9x9 baking dish with cooking spray or line with parchment paper.
Combine oats, flour, pumpkin pie spice, baking soda, baking powder, and salt in large bowl.
Add pumpkin puree, honey, vanilla extract and apple sauce to medium bowl. Whisk together until combined.
Slowly add wet ingredients to dry ingredients. Fold in chocolate chips.
Add oatmeal mixture to prepared baking dish and bake for 20-25 minutes or until toothpick test comes out clean.
Optional - Sprinkle extra chocolate chips over bars after removing from oven.
Cut into bars and enjoy!