I stashed a 1 kg factory-sealed jar of cheap peanut butter in the trunk of each vehicle. It's not high end stuff, but it's concentrated calories -- very helpful if we're ever stuck in a vehicle overnight. I opened one jar after a year of winter freeze and summer heat. It was fine.
WARNING & DISCLAIMER:
SELECT AND USE OUTDOORS AND SURVIVAL EQUIPMENT, SUPPLIES AND TECHNIQUES AT YOUR OWN RISK. Information posted
on this forum is not reviewed for accuracy and may not be reliable, use at your own risk. Please
review the full WARNING & DISCLAIMER about information on this
site.