1 In a small pan, combine gelatin and cold water; let stand until thick. 2  Place over low heat, stirring constantly, just until the gelatin dissolves. 3  Remove from heat; cool (do not allow it to set). 4  Whip the cream with the icing sugar, until slightly thick. Place over low heat, stirring constantly, just until the gelatin dissolves. 2  Remove from heat; cool (do not allow it to set). 3  Whip the cream with the icing sugar, until slightly thick. 4  While slowly beating, add the gelatin to whipping cream.