mix cookie crumbs with melted butter and sugar until evenly moistened
press firmly into a 9 inch pie dish along the bottom and up the sides
chill in the refrigerator for 15 minutes while preparing the filling.
Chocolate Filling
melt the chopped chocolate until smooth and let it cool until just warm
beat cream cheese and powdered sugar until smooth and fluffy
mix in cocoa powder vanilla and salt until fully combined
whip heavy cream to stiff peaks
fold whipped cream into the cream cheese mixture until mostly combined then fold in the melted chocolate until no streaks remain
spread filling into the chilled crust and smooth the top
cover and refrigerate until set at least 4 hours and preferably overnight.
Topping
top with whipped cream and chocolate shavings
slice with a clean sharp knife wiping between cuts for neat slices.
Notes
1. Use a graham cracker crust instead of Oreo crust if preferred. Swap semisweet chocolate for bittersweet for a darker pie or use milk chocolate for a sweeter pie. For cleaner slices freeze 20 minutes before serving