They do not require refrigeration. Many backpackers are looking for high calorie foods because of the large amounts of energy they need to keep going. Nut butters are a concentrated source of calories and can be spread on crackers, bread, fruit, carrot and celery sticks, or just on a finger. Dried fruits, granola, and nuts also provide lots of calories in a small package. Adding some oil to foods or cooking with a little added oil are other ways to add calories if you need to.
Instant oatmeal is another easy breakfast idea.
One idea is to check labels and choose the products that are lower in sodium. If you make your own convenience foods using quick-cooking dried beans and grains, you can better control the amount of sodium in your food. Lastly, contact manufacturers and let them know that you appreciate the fact that they make vegetarian foods that taste good buy you wish they'd reduce the amount of sodium they use in their products. It does have non-vegetarian recipes also, but it provides a wealth of information for vegetarians. I couldn't end this article without a few requests.