Do you ever fancy some fresh bread when you're out in the woods?
Well do what the Romans used to do...
Just use a billy can with a lid as an oven, put your dough in it and place the billy in the hot embers of your fire, rake the embers up around and over the billy and leave it for about 40 mins to an hour. Cooking time obviously depends on the heat of the embers and surrounding conditions, wind, temp etc.
I carry flour with yeast and a pinch of salt already mixed into it. Just add water, knead the dough and add anything you can forage such as berries and nuts. In the months when the nuts and berries are not available I add raisens and nuts to the flour at home.
Cheers and good eating,