Heat the cream in a small saucepan over medium heat just to a bare simmer.
Set the inverted cake on a wire rack over a sheet pan. Pour the ganache over the top and allow it to pour over the sides evenly, using an off-set spatula to smooth.
Print out an Oscar statue template and carefully cut it out. Lay the cut-out on top of the cake and be sure it's lying completely flat.
Special equipment: fine mesh sieve, 9 inch springform pan