Or no one ever talks about them anymore.
I will offer chocolate covered cornflakes, which used to be in high street baker's windows every eater with confectionary eggs atop. A staple home economics recipe, I recall running home from school with a large tin, convinced that I was going to blow everyone's mind with my culinary genius.
And Spam. Like 'corned beef', but the pork version, also in a tin. That curious shape, reminded me of feeding the cat. My DH watches a lot of wild camping/van man stuff in Japan on youtube and it seems to be having a resurgence..