In a heatproof bowl, beat sugar, 3 tablespoons water, egg whites, corn syrup, and cream of tartar with a mixer at low speed until combined, about 1 minute. Place bowl over a saucepan of simmering water, and beat at high speed until thick and spreadable, about 7 minutes. Remove from heat; beat in vanilla. Use immediately.
Recipe by Paula Deen Magazine at https://pauladeenmagazine.com/coconut-angel-food-cake-seven-minute-frosting/