In a mixing bowl, combine pumpkin puree and softened cream cheese until smooth.
Add powdered sugar and vanilla extract, mixing well.
Sprinkle in pumpkin pie spice and mix until fully incorporated.
Gently fold in the whipped topping until no streaks remain.
Taste and adjust sweetness if necessary.
Spoon the mixture into serving dishes or a large bowl.
If desired, top with chopped pecans for added crunch.
Refrigerate for at least 2 hours to allow flavors to meld.
Serve chilled, garnished with a dollop of whipped topping.
Enjoy your pumpkin fluff as a delightful dessert!