Sugar Cookie Frosting
3 1/2 cups powdered sugar, divided
3 Tbl butter
1 Tbl shortening
1/2 tsp vanilla
1/4 c milk
Food coloring
~Combine 1 1/2 cups sugar, butter, shortening, vanilla and milk – beat until smooth
~Add remaining sugar and food coloring, beat with electric mixer on medium speed for 3 minutes or until creamy.