Caramelised Casserole Catastrophe

Poor Peter...he made casserole yesterday evening and put it on for a slow cook in the oven...but because he was so knackered from dealing with Sunshine all week we went to bed early.
This morning the caramelised casserole looked a bit like this...



...so it'll be something different for tea tonight!

I wonder what will shift the stuff off the casserole dish....