I'll assume that we all know that fats are a necessary part of the human diet... What kind of fats are better than others and which store better in prepper food stocks? The author of this article has quite a bit of information on the above questions. 4 Fats: How and Why to Include Them in Your Food Storage Plan I'll draw your attention to something: in a post-event world, where there may be no commercial foods available to buy, you are limited to what you have in your stockpile or what you can produce yourself. Do plan on being able to make your own fats in a long-term crisis, ie. one which lasts longer than your stored fats. You can start practicing now, by saving your bacon (or other pork) fats and rendering them to lard. Keep the "Cracklins" for other recipes or just snacking.