Chocolate Mousse

Directions

1. 1
   Place chocolate and hot water in the top of a double boiler, set over simmering waster, and heat and stir until chocolate is melted.
2. 2
   Lightly beat yolks, add a little hot mixture, then stir back into pan and heat and stir over simmering water 1-2 minutes until no raw taste of eggs remains.
3. 3
   Off heat, mix in vanilla.
4. 4
   Beat cream until very thick and glossy (it should almost form soft peaks)and fold into chocolate mixture.
5. 5
   Beat egg whites until soft peaks form and fold in, a little at a time, until no flecks of white show.
6. 6
   Spoon into a serving dish, cover and chill at least 12 hours.
7. 7
   Scatter with chocolate curls, if you like, just before serving.