2 egg whites
2/3 c. sugar
1/2 c. light corn syrup
3 tbsp. water
1/2 tsp. cream of tartar
1 tsp. vanilla

In top of double boiler combine egg whites, sugar, corn syrup, water and cream of tartar. Place over boiling water and beat until mixture stands in peaks. Remove from heat. Add vanilla and continue beating until thick enough to spread.