To prepare your flax eggs, and the ground flax meal and water in a small bowl and set aside to thicken. Meanwhile in your mixing bowl add the oat flour, oats, baking soda, baking powder, cinnamon, and nutmeg. Stir until combined. Add the prepared flax egg, maple syrup, coconut milk, apple cider vinegar, vanilla, and pumpkin puree. Stir until combined. Add the pecans and gently combine, optional.