Foods encased in plastic or glass mean that the work of "canning" has been done for you: there's no need to dry can or encase in mylar and plastic buckets! This article explores clever packaging just for preppers: http://www.happypreppers.com/clever-packaging.html
Preparing for a natural disaster- These meals in jars have shelf lives of 5 to 7 years. You can make a large variety of meals that can be prepared with minimal effort and resources using this jar meal method
Good Article: The 7 core areas of preparedness (Food, Water, Heat, Light, Sanitation, Medical, Safety) and The Rule of 3 - what this means is have 1 main & 2 backup methods of doing whatever needs to be done (a backup to your backup). Cooking, heating, lighting, and communications are all aspects that need backups of backups in case the primary method(s) are incapacitated.
Eagerly, you search through your food pantry to find a tasty treat. Fumbling with an assortment of packaged foods, you come across a can of beans. While your mouth waters with the promise of baked bean goodness, your eyes stumble across a familiar sight...