Lentils and badia lemon pepper is what I'd bring to such a place, but I am not currently camping, nor are you or you'd have no signal. Also camping cheese that needs no fridge I might bring. And flour, but it's heavy fast. Those are my cheap emergency foods. Oh, and veg oil. And vit pills. And the wood stove I'd bring and all. And etc.
'lemon' lentil soup is delicious and dunking hardtack in it is also delicious, risen with baking powder because it'd immune to dying of things