In a large bowl, mix butter and brown sugar until blended and no clumps of butter.
Mix in egg until blended.
Mix in pumpkin puree, vanilla extract, and milk or almond milk.
Add all dry ingredients except for blueberries and mix until no large clumps remain.
Gently fold in blueberries.
In a greased pan, on medium heat, drop a large scoop of 1/3 of the pancake batter and spread out batter. Cook approximately 3 minutes per side.