Chocolate Surprise Cake

Directions

1. 1
   Slice 1-inch off top of cake; set aside.
2. 2
   Cut down into cake, removing interior, leaving a wall 1-inch thick on all sides. Place cake on plate.
3. 3
   In medium saucepan, combine marshmallows, water and salt.
4. 4
   Cook, stirring constantly on low heat until marshmallows melt; add chocolate pieces and vanilla.
5. 5
   Stir until melted.
6. 6
   Cool to room temperature.
7. 7
   Whip 1 cup whipping cream until soft peaks form.
8. 8
   Fold in chocolate mixture.
9. 9
   Spoon mixture into hollowed portion of cake.
10. 10
    Replace top of cake.
11. 11
    Frost with additional whipped cream or sprinkle with powdered sugar.