What food has the highest caloric density that you can eat straight (w/o refrigeration)

Sure, and you need shelter and water anyway. But you’ll live 72 hours longer with the hardtack than you would have without any food whatsoever.

PS I tried one of those bars once. They’re not bad.

While it covers basic nutrition, it has the unfortunate side effects of making people whiny and irritable after even just a few days of eating it to exclusion, so it might not be the best choice.

I’m pretty sure I can survive a month with no food, if I have shelter and water. I won’t be happy, but I’m not going to die of starvation in thirty days.

A lot of people find that they get slower and dumber after even 1 day without food. I think you’re body can adapt to that kind of regime, but I think that most of us here aren’t adapted that way.

If you are staying at home, you can conserve energy, and getting slower and dumber doesn’t matter much anyway. If you are hiking or working, getting dumber can put you in life-threatening situations.

Cacao butter would be solid at room temperature/easy to transport and eat. I do not know the calories. Cocoa butter is the processed version.

What about if you adjust for obesity?

You might also try the gini coefficient and the average number of miles driven in a year.

Yes, yes,. I just thought, “keep you alive 72 hours” is a bizarre claim. A more useful claim might be “keep you well fed for 72 hours”, or, “contains 3 days of recommended USDA nutrition” it something.

One of my old books describes how to make a chocolate-and-oat bar, (for people who want to have something on hand). The author observers that