You might enjoy Cronenberg’s Crimes of the Future if that idea is appealing to you. Very curious execution of a disease-free bio-tech (organ-ic-tech?) future.
https://clonk.me/nft/137/0x8abd8d9fab3f711b16d15ce48747db496...
If we could eat different things, we could give up agriculture and save a bunch of land and energy.
This was a recurring theme in Lucky Luke [1]. The titular hero cooks and eats his boots when he faces starvation, usually when he gets lost in the desert.
They are apparently unrelated, it is 2022 that I was referring to.