Being of a thrifty frame of mind and hating to see something I've paid good money for go to waste, I thought it would be an idea to add some hot water to the last scrapings with a view to adding a bit of flavour to a soup or stew or something.
But that, of course, required the lid to be removed, for the first time in a while.
There were pliers involved. And sundry remarks not to be repeated here. But at least the Council won't be complaining about food waste in the recycling.