This chocolate raspberry mousse cake is a decadent dessert that is perfect for chocolate lovers. The cake is made with a chocolate sponge cake, layered with a creamy raspberry mousse, and topped with a chocolate ganache. The raspberry mousse is made with fresh raspberries, whipped cream, and gelatin, giving it a light and airy texture. The chocolate ganache is made with chocolate and heavy cream, giving it a rich and creamy flavor that complements the tangy raspberry mousse.