It is important to know in advance what is most useful to have during times of crisis. Items listed below are what one should consider stocking up on in the event of a food shortage. In fact, it would be smart to have a stockpile of these foods at the ready just in case something happens out of the blue.
Refrigeration/dry ice for perishables
Bottled water
The American Public Health Association recommends having one gallon of water per person per day
Lots of canned foods
Meat
Vegetables
Fruit
Soup
Dry, packaged meat
Protein and granola bars
Dried fruit
Boxed pasta + canned sauce
Rice
One "luxury" or "want" per family member in order to keep morales up
Hot cocoa mix
Juice
Cookies
Powdered drink mix
Instant coffee
Note: avoid foods with higher salt content because it will increase thirst.