In a blender, add 1/3 cup pumpkin purée, 1 frozen banana, and 1 tbsp ground flaxseed.
Add 1 cup milk, 1/4 tsp vanilla extract, and 1/4 tsp pumpkin pie spice.
Blend the ingredients until smooth.
Add 1 tsp brown sugar or sweetener of your choice and blend again.
Transfer to a glass and serve!