4 egg whites
2 c. sugar
1/2 c. white Karo
1/2 c. water
1 tsp. vanilla
2 tbsp. powdered sugar

Heat sugar, syrup and water (dissolve) while melting. Beat egg whites until peak. Pour half syrup mixture in egg whites. Start beating. Beat until turns thick, but not stiff. Cook other half syrup to strings a thread. Add vanilla and powdered sugar. Pour in egg whites continue to beat until gets thick enough for frosting.