Melt margarine and chocolate. Cool slightly and add egg and confectioner’s sugar to chocolate mixture.
Using a double boiler, beat well and heat until runny.
Pour and spread chocolate mixture on top of marshmallows and nuts.
Recipe by The Ribbon in My Journal - Phyllis Hoffman DePiano at https://www.theribboninmyjournal.com/give-thanks-and-make-delicious-thanksgiving-dishes/