Chocolate mousse of Gisa

Harvest of sp 3 choc. Powder
1 can of condensed milk
3 egg yolks passed through sieve
3/4 l of milk
1 cl butter
For the pan and cook, stirring until almost the point of brigadier. Let cool. Beat 3 egg whites
in snow. Mix the cream before the egg whites, 1/2 cup rum and 1 can of cream, plus 200 g
grated semisweet chocolate.