0 Prepare the vanilla pudding.
1 Combine the vanilla pudding and pumpkin puree in a large mixing bowl.
2 Add the pumpkin pie spice to the pudding and pumpkin mixture. Stir until the spices are well incorporated into the dip.
3 Mix in the whipped topping. Stir until well incorporated into the pumpkin and pudding mixture.
4 Transfer the dip to a serving bowl and top with a little cinnamon for garnish.
5 Serve with green apples or graham crackers for dipping.