[Sca-cooks] ground powder sugar

[Suey]

In my blog: Medieval Spanish Chef, entry: "Azúcar en polvo" on 20 Jan, I 
instruct that we can make poweder sugar in the food processer
but I am with you about the taste.
**

Katherine wrote:

>
> I always find that blender ground powder sugar has a distinct sort of
> metallic taste (in different blenders even).  I wonder if I am overheating
> the sugar.  Any pointers?
>
>
The store bought stuff is so much fluffier and good smelling.
Why is that?
Suey