I plan to unironically leave the regular standard of living behind and to travel around a lot on foot, camping, sleeping in bushes, etc. What are some good recipes that I can pull off with this type of lifestyle? I'll probably buy food as I need it, and will ideally prepare enough for a few weeks at a time. Don't know for sure what kind of setup I'll use, at absolute best I'll use a small grill and at worst I'll just cook off a fire so any suggestions would be good.

I guess suggestions for prepared / quick foods are fine too if there are any that are worth it / cheap that I can buy in a clutch situation.