Crush Golden Oreos in a food processor or rolling pin until fine crumbs
Set aside 3/4 cup of crushed Oreos for topping
Mix crushed Oreos with melted butter in a bowl, pressing into a 9×13-inch dish as the crust
In a separate bowl, mix lemon pudding with 3 ¼ cups milk until thickened
In another bowl, cream cream cheese with powdered sugar, then fold in Cool Whip gently
Layer pudding mixture over cooled crust, then spread cream cheese mixture on top
Top with reserved crushed Oreos and additional Cool Whip
Chill for 2–4 hours before serving