Is there anything wrong with using an ice-cream scoop to dish ice-cream on Shabbat? I have been told in the name of a Rebbetzin that you can't.

![ice-cream scoop][1]


  [1]: http://t3.gstatic.com/images?q=tbn:ANd9GcQyAh3UnzwurY2ObRbrEYY70NCDt5Xcqnmt4X7rCo8Rxix6jplHjw