In a medium bowl whisk pumpkin puree, egg, coconut milk, molasses and vanilla extract until fully incorporated.
In a large bowl mix flour, brown sugar, baking powder, baking soda, salt and pumpkin pie spice.
Using a pastry blender cut the cold butter into the dry ingredients until only small pebbles of butter are visible.
Add wet ingredients to dry ingredients and mix. You may need to use hands to mix/knead 4 to 6 times. (You do not want to melt the butter so do not over work it)
Mix in butterscotch chips.
Put 1/2 tablespoon gluten free flour on workspace and gently knead 3-4 times. (It is important not to over knead and not to add too much flour. This will be sticky)
Roll dough to 1/4 inch thickness and cut out cookie shapes. (you will get about 2 dozen small cookies and 1 dozen larger cookies)
Bake for 10-14 minutes on a parchment lined cookie sheet. Cook time will depend on size of cookie. You want them to be slightly golden brown. Let Cool.
While cookies are cooling whisk icing ingredients together in a small bowl.
Once cookies are fully cooled, top with icing or dust with powder sugar and enjoy.
Video
Notes
All Nutritional Information is based on 12 large cookies, one per serving.