That makes perfect sense to me, but if it's a large ornament then it will take longer to cook through to the middle so be careful you don't burn the outside in the process.
I want to know how to make the stuff in the first place and how long / hot to cook it on. - can you give instructions plz? I am clearly too lazy to google it for myself!
Can't believe you posted this, I was going to do some with Imogen today but never got round to it!