Chocolate Lover's Mousse

1 teaspoon unflavored gelatin, 1 tablespoon cold water, 2 tablespoons boiling water, 1/2 cup sugar, 1/4 cup cocoa,
1 cup whipping cream, 1 teaspoon vanilla extract, shaved chocolate

In a small bowl sprinkle the gelatin over the cold water and let stand 1 minute.
Add the boiling water and stir until gelatin is dissolved.
In a separate bowl stir together the sugar, cocoa, whipping cream, and vanilla.
Beat on medium speed of an electric mixer, scraping the bottom of the bowl occasionally, until the mixture is stiff.
Add the gelatin mixture and beat until well blended.
Spoon into dessert dishes or champagne glasses.
Sprinkle with shaved chocolate.
Chill 1 hour before serving.