Turn oven on to 350.
Prepare 8x8 glass baking dish with parchment paper.
Combine dry ingredients: almond flour, coconut flour, baking soda, baking powder, pumpkin spice, cinnamon and salt. Whisk well.
Combine wet ingredients: tahini, pumpkin purée, coconut oil, vanilla, maple syrup. *Soften coconut oil in the microwave slightly if needed. Mix until well combined.
Add liquids to dry ingredients and mix until well combined.
Add chocolate chunks and mix again.
Pour ingredients in to prepared baking dish and flatten batter until it is evenly spread.
Optional: add 2 tbsp of chocolate chunks to the top of the batter.
Bake for 15-17 minutes.