Daniel Moore wrote:
>
> I bought a 1-lb. box of C&H brown sugar that, it turns out, is hard as a
> rock. A little mortar I could build a brick wall. Any technique to soften
> and re-granulate it?



The quickest way, if you need it for a recipe, is to
grate it with a box or flat grater.

It keeps quite well in a tightly sealed glass jar with
some type of moisture-holding item (slice of apple
or one of those terra cotta shapes you pre-soak in water.)

gloria p