2) Using a hand held mixer, beat together the cream, sugar, cocoa powder and vanilla until stiff peaks form. Keep cold until ready to serve.
3) Place a few cubes of the angel food cake in the bottom of 4 parfait glasses. Top with a few tablespoons of the chocolate cream, a few tablespoons of raspberries and a little grated chocolate. Repeat to make 4 layers, ending with chocolate cream. Garnish with a few raspberries and grated chocolate.