This fluffy white marshmallow icing recip will really allow you to go crazy decorating!
In a sauce pan bring to boil some water (about 2 inches deep). Reduce heat to a simmer. In a mixing bowl place water, cream of tartar, sugar, egg whites and light corn syrup.
Place bowl into simmering water and turn off heat. Whip egg whites with an electric mixer for about 3 minutes. With a thermometer check the temp of egg whites they should be at 140F, if the temperature is too low return to water. Continuing whipping to stiff peaks. Fold in vanilla.
Pipe on your favourite cake, cupcakes or anything you fancy. Also can add food colour gels to make very vibrant colours.