Place cream cheese and peanut butter in the bowl of a stand mixer fitted with the paddle attachment (a hand mixer may also be used). Mix together until well combined. Use a spatula to scrape down sides of bowl as needed.
1 Cup Cream Cheese, softened, 1 Cup Peanut Butter
Add powdered sugar and sweetened condensed milk to mixing bowl. Mix until combined, scraping down sides of bowl as needed.
1 Cup Powdered Sugar, 1 Can Sweetened Condensed Milk
Using a clean bowl, whip heavy cream until medium peaks form.
1 Cup Heavy Whipping Cream
Carefully fold the whipped cream into the peanut butter mixture. Take care to not overfold else you may deflate the cream.
Add first measure of Snicker bar chunks. Gently fold into pie filling until evenly distributed.
2 Medium Snickers Bars (2 ounces each)
Pour filling into pie crust and smooth top with a spatula. Place in refrigerator for 2 hours or until set.
1 9" Chocolate Pie Crust (baked)