TrailCooking.com is a great website with lots of recipes and ideas, often using foods available at your local supermarket. Some of us go beyond this and dehydrate our own meals, and there's lots of info about that, too. The owner, Sarbar, is a frequent contributor here.

Do a search in the "Lite Food Talk" section (where your post has now been moved) and you'll find lots of other references. For instructions on searching this site, which can be a bit tricky, see the "sticky" post at the beginning of the "General Discussion" section.