This raspberry mousse cake with Oreo crust is a delicious dessert that combines the flavors of chocolate and raspberry. To make the cake, you will need to prepare an Oreo crust using crushed Oreo cookies and melted butter. Then, you will need to make the raspberry mousse by blending fresh raspberries, sugar, and whipped cream. Once the mousse is ready, pour it over the Oreo crust and refrigerate for a few hours until set. Serve the cake chilled with fresh raspberries on top.