In a large mixing bowl using an electric hand mixer, or use a stand mixer, beat the cream cheese, sugar, and cocoa powder until light in color and fluffy.Cover with plastic wrap and let it freeze while you prepare the rest. Evenly and firmly press the crust mixture into the bottom of a 9-inch springform pan. Slowly pour the melted butter in and blend again until it resembles wet sand. Add the Oreo cookies into a food processor and blend unit fine crumbs.How To Make No Bake Black Forest Cheesecake