01 - Combine chocolate sandwich cookie crumbs and melted butter in a medium bowl until evenly moistened. Press mixture firmly into the base and sides of a 9-inch pie dish. Refrigerate while preparing the filling.
02 - Place all-purpose flour in a microwave-safe bowl and microwave in 30-second intervals, stirring between each, until the flour reaches 165°F. Allow to cool completely before use.
03 - In a large bowl, beat softened unsalted butter, softened cream cheese, granulated sugar, and packed light brown sugar until light and fluffy using an electric mixer or whisk.
04 - Add milk, vanilla extract, unsweetened cocoa powder, red food coloring, and salt into the creamed mixture. Blend until well combined.
05 - Gradually mix heat-treated, cooled flour into the dough mixture until a smooth batter forms.
06 - Stir in the mini chocolate chips gently until evenly distributed throughout the filling.
07 - Spoon the red velvet cookie dough filling evenly over the prepared crust, smoothing the top with a spatula.
08 - Spread whipped topping or whipped cream evenly across the surface. Garnish with extra mini chocolate chips for a finishing touch.
09 - Refrigerate the pie for at least 2 hours before serving to ensure it sets properly.