Mix together flours, baking powder, baking soda, cinnamon, nutmeg, ginger, and salt in large bowl.
In a second bowl, add eggs, sugar, pumpkin, coffee, milk, coconut oil and vanilla; beat well.
Gently fold in the flour-spice mixture to the moist mixture.
Cook according to your waffle iron directions, until a deep golden brown and crispy on the outside.
Serve with honey butter, maple syrup or your favorite toppings.
* You can make your own oat flour by putting old-fashioned or quick-cooking oats in a food processor or blender and pulsing until they are finely ground. Oats are gluten-free by nature, by if you have an allergy, make sure that you are buying certified gluten free oats that have been processed in a gluten-free facility.