This chocolate raspberry truffle cake is a chocolate lover's dream come true. The recipe uses a rich chocolate cake batter that's filled with a creamy raspberry truffle filling and topped with a smooth chocolate ganache. The chocolate buttercream frosting is made with butter, powdered sugar, and cocoa powder, and adds an extra layer of chocolatey goodness to the cake. Serve it with fresh raspberries and a drizzle of chocolate sauce for a truly indulgent dessert.