And then we come to the question of "What's for dinner?"
A lot of people focus on freeze dried food, but while light weight, they require water for preparation. For a situation where I will not be carrying the food on my back, I much prefer canned goods, many of which are essentially MRE capable. After all, potable water is likely to be a critical resource, so dehydrated foods are not so optimum...
While MRE's work, I feel that for the money, I can get more with regular grocery store goods, plus what we can harvest from our garden.
I do have a modest stash of FD items, because you never know.
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Geezer in Chief