This recipe was clipped from a box of Imperial Powdered Sugar, date unknown. Recipe is typed below along with a scanned copy.
10 X CONFECTIONERS POWDERED
Frosting — Cream 1/3 cup soft margarine, pinch of salt, 1 cup sifted Imperial Powdered Sugar until fluffy. Add 2 cups sifted Imperial Powdered Sugar, 2 tbs. milk, 1 1/2 tsp. vanilla; blend well.