In small mixer bowl, beat egg white until foamy.
Add salt and sugar, beating until soft peaks form.
Measure syrup in 1-cup measure.
Cook uncovered, 1 minute or until mixture boils.
Pour over egg white, continuing to beat until frosting is stiff.
Beat in vanilla and desired food coloring.
Spread on cooled cake.
Frosts 8 or 9-inch Cake or Cupcake