In custard cups, sprinkle gelatin over cold water, let stand 1 minute. In small saucepan; combine sugar, cocoa, and water; cook over low heat, stirring, constantly, until hot and slightly thickened. Remove from heat; add softened gelatin, stirring until dissolved. Blend in milk and vanilla; cool. In small mixer bowl, combine whipping cream, beat until stiff. Gradually add chocolate mixture to whipped cream. Spoon into dessert dishes; refrigerate at least 1 hour.
|