2 egg whites
1 1/2 cups sugar
1/4 tsp. cream of tartar
1 tbsp. light corn syrup
1/3 cup water
3/4 cup marshmallow creme

In top of double boiler, combine egg whites, sugar, cream of tartar, syrup and water. Place over boiling water; beat until stiff peaks form, scraping pan occasionally. Remove from heat; add marshmallow creme. Beat until of spreading consistency.