Combine 1 cup confectioners' sugar, 2 tablespoons cream, and 1/4 teaspoon vanilla extract; beat until smooth.
With a spoon, drizzle frosting over top of cake allowing it to run down sides.
Stir 1/...
Pour boiling water over gelatin in a bowl; stir until gelatin is dissolved.
Mix in the cold water, salt, lemon juice, vinegar, onion, Worcestershire sauce, and Tabasco.
Chill until slightly thickene...