Mix graham crackers and melted butter together
Put into a 9-inch pie plate and press on bottom and along the sides
Bake at 325 for 6-8 minutes
Let graham cracker crust cool completely
Using an electric mixer, beat cream cheese, 2 Tbsp. powdered sugar and peanut butter until fluffy - about 2-3 minutes
In a separate bowl and with a whisk attachment, mix heavy cream until thick and ight. Add 1 Tablespoon powdered sugar and vanilla extract. Continue to beat until peaks form. You will divide this whipped cream.
Fold 2 cups whipped cream into the peanut butter mixture
Pour into prepared and cooled graham cracker crust
Spread remaining whipped cream on top of the pie
Garnish with crushed peanut butter cups
Refrigerate until ready to serve