smoked bell pepper powder, chilli powder, MSG, salt and maybe some powdered onion/garlic.

tortilla flavoured popcorn, low on calories if made with a hot air popcorn machine.

May I suggest to get a foldable potty instead? They are super light and the size of an original Gameboy when folded. Combined with plastic bags and silicapowder (do not eat) it will help you stay healthy instead of dehydrated and constipated. If amazon is not fast enough, check the nearest baby mart. If you are just shy, there are also foldable privacy shields (camping section) available to let you do your business with privacy.