Preheat the oven to 350° F.
Add the oat flour, pastry flour, cinnamon, pumpkin pie spice, baking powder, and baking soda to a large mixing bowl.
Mix the ingredients well to combine.
In separate mixing bowl, mash the bananas thoroughly.
Mix in the nut milk, canned pumpkin, and pure maple syrup.
Pour the wet mixture into dry, then mix until a muffin batter forms.
Gently fold in the chocolate chips.
Line or grease a muffin pan, then evenly distribute the batter between eight cavities.
Add a few more chocolate chips on top of each muffin.
Bake the muffins for about 25 minutes, or until a toothpick inserted comes out clean.
Let the muffins cool for a bit, then dig in and enjoy!