nostr:npub163k0gvm3x8s7qqjnukf6a2jq4nus3s74j7y64pctcgrwy3nmsllswwhljx nostr:npub16e4gq4k2ax5h5a3vlt6395r9yvyaxurzd8zmxser5um2te066q6q0z7u0w nostr:npub1cx7knj6q44vtswdz079h2z84zffs9q4xus5sara4glupl8c5ucqsvx5lhk 

Thousands of thousands of years without electric refrigeration.  Aged and fermented food is far more normal than canned or frozen, from an historical perspective at least