Road rage is the perpetrator's action, stop trying to blame someone else!
Should he be fired? Yes
Should he be be charged by the police? Yes
Take some responsibility for your own actions!!
Two things:
1 If you've got a camera in your phone take a photo of the receipt, preferably on top of the item before the receipt fades away.
2 If you bake at a higher temperature use a Pyrex dish. They're safe & not that expensive.