Preheat oven to 350 degrees.
Dip your tortilla in the butter and shake off any excess.
Cover the tortilla in the cinnamon sugar mixture.
Place the tortilla in between 2 cups of an upside down muffin tin.
Repeat with however many your size muffin tin can hold, you will have to do this in batches.
Place the pan in the oven for 15 minutes. Repeat with all 12 tortillas.
Set the tortillas aside to cool.
In a mixing bowl combine the softened cream cheese, pumpkin puree, vanilla, sugar and instant pudding mix.
Transfer the pumpkin pie filling to a piping bag or zip-loc bag with the tip cut off. Pipe the filling into the cooled shells.
Top with whipped cream and a sprinkle of cinnamon if you like. Serve!