Quick-As-A-Wink Black Magic Icing

I just love these Retro ads. This frosting is still great and easy to make..so try it Quick as a Wink!

Quick-As-A-Wink Black Magic Icing

Melt 1 pkg Nestle's Semi-Sweet Chocolate Chips over hot water.
Add alternatiely 1 cup sifted confectioners' sugar and 1/2 cup evaporated milk.
Beat after each addition until smooth.
YIELD: Ices tops of two 8" layers.