3-1/2 cups confectioner's (10x) sugar
1/2 cup (1 stick) trans-free margarine
4 tablespoons milk
1 tablespoon vanilla extract
Mix confectioners sugar and margarine together Add milk and vanilla slowly and beat until smooth and fluffy.
You will have the best results with this icing if you freeze the cake first. Can be used on cakes or cupcakes.