Place the chocolate sandwich cookies and melted butter into the bowl of your food processor. Secure the lid and pulse the cookies until they are finely crushed, with no large chunks remaining.
27 chocolate sandwich cookies, ¼ cup salted butter
Transfer the cookie crumb mixture into a 9-inch pie pan, and use a spatula or the back of a spoon to press it firmly and evenly across the bottom and up the sides of the dish to form the crust.
Place the crust in the refrigerator to chill for at least 15 minutes while you prepare the filling. This will help it firm up before adding the chocolate filling.
Filling
Place both types of chocolate chips into a medium-sized, microwave-safe bowl.
1 cup milk chocolate chips, 1 cup semi-sweet chocolate chips
Add in the heavy cream and heat in the microwave for 30 seconds.
½ cup heavy cream
Remove and mix well. Continue heating in 15-second increments, if necessary, until the chocolate is melted and smooth. Be sure to stir between each heating.
Let the chocolate cool for about 2 minutes, stirring frequently. Set aside.
In a separate large bowl, beat the cream cheese until light and fluffy.
8 ounce package cream cheese
Gradually add the chocolate mixture into the cream cheese while beating with a hand or stand mixer.
Fold in whipped topping until fully incorporated but do not beat in.
8 ounce tub whipped topping
Spread the chocolate mixture into the prepared chocolate cookie crust.
Cover, and chill for 1-2 hours, or until set.
Once you are ready to serve the pie, sprinkle with the remaining crushed chocolate sandwich cookies and gummy worms. Serve chilled.
Crushed chocolate sandwich cookies, Gummy worms
Notes
Chocolate sandwich cookies: I use Oreos, but you can also use a generic brand like Twist and Shout. Just be sure to use regular Oreos and not double stuffed Oreos.
Salted butter: You could also use unsalted butter combined with a pinch or two of salt.
Chocolate chips: Feel free to use a combination of your favorite types of chocolate chips.
Heavy cream: It's important to use heavy cream. Whole milk will give you thinner, runnier filling.