In a large bowl use a hand mixer to beat cream cheese until soft. Add the powdered sugar and the melted white chocolate. Add the remaining heavy whipping cream to your cream cheese mixture. Mix until combined.
Pour the filling into your prepared pie crust. Spread out evenly then top the cream cheese layer with mini Oreo cookies in any fun design you’d like.Cover with foil and chill for at least 4 hours, best if overnight.