I got to thinking about the vacuum packed boiled egg and how the army has been working on an MRE pizza for years (possible available next year).

So has anyone tried to vacuum pack a slice of pizza? How long would it keep? I know it has been done to prevent freezer burn but I'm thinking of storing in a bear canister and those usually don't have a freezing mechanism built in.

As my wheels were spinning I thought maybe just vacuum pack a flat bread, like pita or focaccia. Can flat breads be vacuum packed? What kind of room temperature shelf life would that have? Dehydrated tomato powder and cheese are already available and look like they would be easy enough to rehydrate.

Maybe I'm overthinking and should just stick to easy tried and true things like mashed potatoes and couscous and leave the pizza for trips to town.

Thanks for any thoughts