Five recipes for "protein bars"
http://prepperswill.com/5-recipes-make-survival-protein-bars/These are all hard bars which require teeth to chew...
Worst case, you can boil them into a cup of "stew" which will soften some of the ingredients.
No guarantee on how long these will keep, so if you like these, plan on making batches and eating them instead of just caching them.