Alright, I'll bite (figuratively)... survival cookies? Are they anything like survival rations for life boats? I'm referring to this product:
https://www.amazon.com/Mainstay-Emergency-Food-Rations-Packs/dp/B000B43JI0
If so, wow were they awful. I had bought a pack long ago and tried it. Key points were:
1. The blocks were literally as hard as chalk, the kind you use on a board. So, biting into them was not an option as I would have literally broken off my teeth on them. So I tried slowly grinding away on the corner of one with my back teeth (as they are stronger than my front). In retrospect, I perhaps would have been better off smashing it to bits with a hammer then trying to eat the dust. And who doesn't want to chow down on a bowl full of chalk dust?
2. They tasted like chalk. Sure, if I was otherwise going to die, I would certainly put up with the taste. But still... it was chalk.
3. Then I figured out I'm allergic to them. I broke out in hives. I forget which ingredient in them could have done it, not entirely sure.