Getting a craving for a McRib when it's just not available from the golden arches is definitely a first-world problem. There was also that brief period of time when Hostess Brands' Twinkies weren't for sale. Fortunately, these junk food shortages are relatively short-lived events, and if anyone really, really wanted to re-create a homemade version of these products, it wouldn't be impossible. However, some foods are actually gone forever (or are on their way to extinction). Here are just a few foods that probably haven't been on your dinner plate.
If you'd like to read more awesome and interesting stuff, check out this unrelated (but not entirely random!) Techdirt post