Step 1

Preheat the oven to 350 degrees F and spray a 9X13 pan with a non-stick cooking spray.

Step 2

Layer the Oreos in the bottom of the baking pan.

Step 3

Pour the sweetened condensed milk evenly over the top of the cookies.

Step 4

Then spread the cool whip out on top of the condensed milk.

Step 5

Sprinkle the chocolate cake mix in top. Do not mix together.

Step 6

Then layer the 1 Tbsp pieces of butter evenly over the top of the cake mix until the majority of the top of the cake is covered.

Step 7

Bake for 40-45 minutes.

Step 8

Serve topped with ice cream and additional Oreos.

Step 9

Enjoy!