Preheat oven to 300° F, and line a cookie sheet with parchment paper.
In a mixing bowl combine almond flour, coconut flour, brown sugar, pumpkin pie spice, and cinnamon. Whisk together.
In a separate bowl, combine melted butter, egg yolk, and pumpkin puree. Add the wet ingredients to the dry and use a wooden spoon to stir together.
Chop almonds and fold into the batter.
Use a cookie scoop to portion the dough and then roll it into a ball and place on the cookie sheet.
Bake cookies in oven the for 22 to minutes. While the cookies are still warm, roll them lightly into the confectioners sugar.
Sprinkle additional pumpkin pie spice on top and enjoy!