Add all of the ingredients to a blender in the order listed. Blend until smooth.
Notes
For a colder smoothie, refrigerate the pumpkin purée before using (leftovers need to be refrigerated anyway), and freeze half the almond milk into ice cubes.
Recipe by A Modest Feast at http://www.amodestfeast.com/2016/09/20/pumpkin-pie-smoothie/