Blitz Oreo cookies until they are crumbs, add melted butter, stir to combine, & tip mixture into pie dish.
Melt butter & chocolate. Whisk egg & sugar, then whisk in Espresso, vanilla, cocoa, & pecans.
Pour the mixture over the cooled Oreo crust.
Combine cornstarch, sugar, & salt, & whisk to combine. Add egg yolks, & milk.
Mix until it's thickened.
Spread the chocolate pudding layer on the brownie layer.
Beat heavy cream, sugar, & vanilla until soft peaks form.
Spoon the whipped cream topping onto the pudding layer, & garnish with chocolate shaving.
WITH QUANTITIES & DIRECTIONS