When I think about elaborate gelatins, the only people I see doing that are my grandparents when they do a formal meal. I don't think anybody in my generation would keep that tradition alive.
I feel like liver was probably more popular a few generations ago and will only continue to decline in popularity. I've never eaten it.
Another participant feels food has mostly stayed the same in the last two decades. "However, I remember wraps being everywhere as the "healthy" option in the early 2000s.
Based on what I no longer see on Pinterest...Cauliflower crust things, zucchini noodles, and anything made in an Instant Pot. Those were all huge several years ago.
Another individual thinks water might be the source of the next food to go the way of the Dodo. "Almond milk — it's far too water-intensive to grow almonds, and as the cost goes up, people will find alternatives."
Snack cakes (like Little Debbie's). Most people who eat them are elderly residents or little kids because they're easy to put in a school lunch.
If you're over thirty, you'll likely remember the Kool-aid man and the refreshingly cool taste of tropical punch on a hot summer day.
Before juice came in a jug, it was housed in cans of frozen concentrate. Someone noticed that no one seems to buy this form of juice anymore.