Really Good Icing

Directions

1. 1
   Mix cold milk and cornstarch together until cornstarch dissolves.
2. 2
   Heat mixture over medium heat, stirring constantly or until your arm becomes paralyzed.
3. 3
   Suddenly the mixture will be come thick like custard.
4. 4
   Stir a few more times.
5. 5
   Allow mixture to cool completely.
6. 6
   Can put mixture in refrigerator to cool quicker.