Beat egg whites and salt ... Beat in white Karo syrup, a little at a time; beat until frosting peaks. Fold in vanilla. Frosts two 8 or 9 inch ... to 30 cup cakes.
Combine in saucepan the sugar, water and syrup; bring to rolling boil. ... Continue beating until frosting holds peaks. Blend in vanilla. ... or 9"x13" oblong pan.
Beat egg whites and salt ... beating and add Karo syrup, a little at a ... each addition until frosting peaks. Fold in vanilla. Makes enough to frost 2 (9 inch) layers or 9 x 13 pan cake.