Maybe he was in some kind of pressure cooker and this was one of the fruitcakes.
He wondered, all over again, if this was some kind of pressure cooker.
If canning with a steam-pressure canner or a pressure cooker sterilize for one hour and a half under 10 to 15 lbs.
If you are fortunate enough to possess a pressure cooker, steam the vegetables for drying in it.
Food cooks ...