This raspberry mousse cake with vanilla sponge is a classic dessert that is perfect for any dinner party. To make the cake, you will need to prepare a vanilla sponge cake using flour, sugar, eggs, and vanilla extract. Then, you will need to make the raspberry mousse by blending fresh raspberries, sugar, and whipped cream. Once the mousse is ready, spread it over the vanilla sponge cake and refrigerate for a few hours until set. Serve the cake chilled with fresh raspberries on top.