Combine in a saucepan 3 oz. chocolate, cut fine,
2¼ cups sugar,
¾ cup milk,
6 tablespoons Homogenized Spry,
3 tablespoons butter or margarine,
1½ tablespoons corn sirup, and ¼ teaspoon salt.
Bring slowly to a full rolling boil, stirring constantly, and boil briskly for 2 min. (On a rainy or very humid day, boil mixture 2¼ min.) Cool to lukewarm, add 1½ teaspoons vanilla and beat until creamy and thick enough to spread. Yield: frosting for tops and sides of two square 8″ layers.