Make the Oreo layer by combining the Oreos and melted butter in a food processor. Grind until the Oreos have been fully pulverized, and no large chunks of Oreo remain.
36 regular Oreos, 5 tablespoons salted butter
Spread the ground Oreos into the bottom of a 9x13-inch pan and firmly press down. Make sure the Oreos reach all the way to the edges.
Make the Cream Cheese layer by combining the cream cheese, sugar, milk, vanilla extract, and whipped topping. Beat until smooth.
12 ounces cream cheese, ¼ cup granulated sugar, 1 tablespoon milk, 2 teaspoons pure vanilla extract, 8 ounces whipped topping
Spread the cream cheese mixture carefully over the Oreo crust, making sure to smooth the top.
Make the Chocolate Pudding layer by beating together the chocolate pudding mix and 3 cups of milk until smooth.
7.8 ounces instant chocolate pudding mix, 3 cups milk
Pour the pudding over the cream cheese layer and spread to the edges.
Top the chocolate pudding with the remaining whipped topping. Spread carefully all the way to the edges of the pan.
8 ounces whipped topping
Sprinkle mini chocolate chips over whipped topping layer
1 cup mini chocolate chips
Chill in the refrigerator for 4-5 hours, or until set.