If you're in a tight, you could clean
out the can and use it to boil water
if stealth wasn't a consideration.
I've not found too many things
a person could eat without breaking
stride that would store and carry
well other than bars and peanut butter
Would energy bars and breakfast bars have more food value that tuna?? I'm guessing yes.
I honestly don't know.
My whole deal is to eventually find some
kind of something I can keep in a
dedicated pack that has a good shelf
life and durable packaging that I could
sustain myself with if I were presented
with the need to evacuate wherever I'm
at in a discrete manner.
There wouldn't be any opportunity to
stop and leisurely build a campsite and
a comfortable fire. I'd be steadily walking
toward my goal, and the only stops
would be waste evacuation and canteen
refilling and adding water purification, and
starting off again.