Marshmallow Icing

Directions

1. 1
   Cook syrup, sugar, salt and water together, without stirring, to 250° or until a small amount dropped into cold water will form a firm ball.
2. 2
   Pour the hot syrup over beaten egg whites, beating constantly.
3. 3
   Add vanilla and continue beating until frosting is cool and thick enough to spread.
4. 4
   Add marshmallows, cut into eighths.
5. 5
   Will cover tops and sides of 3 (9-inch) layers.