Canned fish are good non-perishable sources of protein. Tuna has to be eaten in moderation due to the high mercury content in large fish, but small fish like sa

Canned fish are good non-perishable sources of protein. Tuna has to be eaten in moderation due to the high mercury content in large fish, but small fish like sardines and mackerel are safe. Canned wild salmon is also available. I was also able to get some canned chicken. Certainly not gourmet food, but you can warm it up with some seasonings and serve it over rice or pasta.