2 1/2 cups sugar
6 egg whites room temp
1/2 cup water
1/2 tsp cream of tarter
In the bowl of electric mixer, combine sugar ,egg whites, water and cream of tarter. Whisk until foamy.
Set bowl over a pot of steamming water and wisk until sugar is disolved and mixture is warm to the touch about 3-5 min. Transfer bowl to stand mixer fitted with a wisk attachment. Beat on high until frosting is stiff peaks. About 10-12 min. Add vanilla and wisk until mixed well.
To frost cup cakes, put onto decorator tube or zip lock bag and cut off a corner to squeeze out frosting.