Tropical Frosting

Directions

1. 1
   Combine sugar, water, salt and vinegar in a heavy saucepan. Cook over medium heat, stirring constantly until clear without stirring.
2. 2
   Cook until mixture forms a thin thread when dropped from spoon (242° on candy thermometer).
3. 3
   Beat egg whites until stiff.
4. 4
   Add hot syrup, beating constantly.
5. 5
   Continue beating until frosting holds shape.
6. 6
   Add vanilla and coconut.
7. 7
   Spread frosting between layers.
8. 8
   Sprinkle coconut over top and sides.
9. 9
   Put freshly grated coconut over.