Bakery Shop Icing      

Ingredients:
1/2 cup butter, softened
6 tablespoons shortening
1 cup white sugar
2 teaspoons vanilla extract
1 tablespoon cornstarch
1/2 cup warm milk

Directions:
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.

Note: This icing will appear curdled at first, but continue beating and it will become smooth.