Cinnamon cream filling for Pumkin Whoopie Pies

Ingredients:
1 (8oz) pkg cream cheese (I used light/Neufchatel), softened
6Tbsp butter, softened
3-4c powdered sugar
1 tsp vanilla
1-1 1/2Tbsp cinnamon
Directions:Cream butter and cream cheese together so there are no lumps. (Getting the cream cheese softened is the key). Stir in vanilla and cinnamon. Stir in powdered sugar 1 cup at a time. I used about 3 1/2c total. Pipe or scoop onto one cookie and top with another to sandwich the filling. If you want to be fancy, sprinkle the tops of cookies with powdered sugar or powdered sugar mixed with cinnamon.Made about 2 1/2 dozen whoopie pies (using 2 cookies per whoopie