Preheat oven to 375 degrees F and line square baking dish with unbleached parchment paper and spray with cooking spray. Set aside.
In a large mixing bowl, whisk the eggs for 10 seconds. Add pumpkin puree, sugar, pumpkin pie spice, cinnamon, vanilla, baking soda and salt; whisk until well combined.
Add almond flour and oat flour, and whisk until well mixed. Add chocolate chips and give a few stirs with a spatula. Transfer to previously prepared baking dish and level with spatula. Bake for 30 minutes or until toothpick inserted comes out clean.
Remove from the oven and let cool for 30 minutes or completely. Cut into 16 squares and enjoy!
Notes
Store: In a cool place for up to 3 days.
Freeze: In an airtight container for up to 3 months.
Oat flour: You can make your own oat flour by grinding quick or rolled oats in a food processor.