Combine the graham cracker crumbs, sugar, and melted butter in a medium bowl. Stir until the crumbs look like wet sand.
Transfer the crust mixture to a 9” pie plate. Press firmly into a smooth, even layer on the bottom and up the sides. Refrigerate to set while you make the filling.
Filling
Combine the pudding mix and eggnog in the mixing bowl. Beat on medium until well combined.
Fold in the whipped topping.
Transfer the filling to the prepared crust, smoothing it into an even layer.
Refrigerate for at least 4 hours to set.
Decorating
Combine the heavy cream and confectioner’s sugar in a large mixing bowl. Beat on high for several minutes, until stiff peaks form.
Transfer the whipped cream to a piping bag fitted with a large star tip. Pipe the whipped cream around the outside edge of the pie and in the center.
Sprinkle with cinnamon prior to serving.
Notes
Tips and Tricks
Keep any leftovers refrigerated for up to 4 days
Nutmeg can be used in place of cinnamon.
Spices can be folded into the pie during the mixing process if desired.
Prepackaged pie crust and whipped cream can be used.