- 1-1/2 c. Sugar
- 2 Tbsp corn syrup
- 1/4 c.water
- 6 egg whites
- tsp. Vanilla
- In a heat-proof bowl of an electric mixer, mix all ingredients (except vanilla) and place the bowl over a saucepan of simmering water.
- Whisk the mixture until it reaches 160 degrees using a candy or instant-read thermometer.
- Transfer the mixing bowl to your mixer, and with the whisk attachment, beat on high until stiff, glossy peaks form (about 6 minutes).
- Whip in the vanilla. Frost cake immediately.