Chop all of the Reese's cups and set aside.
In a medium mixing bowl, mix the creamy peanut butter and sweetened condensed milk until well blended.
Add the milk to the peanut butter mixture and mix on medium for about 2 minutes.
Add the pudding mix to the peanut butter mixture and mix until well blended.
Gently fold the whipped topping and 1 cup of chopped Reese's cups into the peanut butter mixture.
Transfer to a serving bowl and garnish with chocolate syrup and remaining chopped Reese's cups.
Allow to chill in the refrigerator for about 2 hours before serving. Enjoy!