A creamy, light frosting similar to what the baker uses.
1 In a large bowl, cream butter, shortening, sugar and vanilla together. Stir cornstarch into milk and add to butter mixture. Beat at low speed until well blended. Beat another 5 to 7 minutes until icing is creamy.
2 Note: This icing will appear curdled at first, but continue beating and it will become smooth.
is the white sugar u are refering to granulated or powdered?