I am trying to get a small box made to sit on top of tomorrow's cake. I made Wilton's candy clay the other day which has been sitting on my counter wrapped. It is hard as a rock before I start to work with and then softens. After I cut my box sides and stick in fridge, it does harden some but then as it warms up, softens again.
Is there anything I can add to this to keep it hard like a candy bar?


Is there anything I can add to this to keep it hard like a candy bar?







