Source: dLife

An easy - and healthy - variation on a classic vanilla frosting.

Servings

0.5 cup sugar
2 tbsp cold water
2 Sweetener, granular, packet (Sweet 'n Low suggested)
2 egg whites (use large eggs)
0.25 tsp cream of tartar
0.5 tsp vanilla extract

1 Combine the first 5 ingredients in top half of a double boiler. Beat at high speed for 1 minute.
2 Set top over simmering water in the bottom of the double boiler. Continue to beat for 4 to 5 minutes.
3 Remove from heat and add the vanilla.
4 Continue beating for 1 to 2 minutes.