This raspberry mousse cake with Oreo crust is a perfect dessert for those who love the combination of chocolate and fruit flavors. The recipe is simple and easy to follow. The cake is made with an Oreo crust, layered with a creamy raspberry mousse, and topped with fresh raspberries. To make the raspberry mousse, you will need fresh raspberries, sugar, gelatin, and heavy cream. The cake can be made ahead of time and stored in the refrigerator until ready to serve. This cake is a perfect balance of chocolate and fruit flavors.