You can keep food cold in summer without electricity by using dry ice, packed in regular ice, in a cool basement packed in dirt. - copied from ChaCha website questions and answers
In the USA, they used to cut ice from rivers and ponds during the winter, and pack it with sawdust or other insulated material in an ice house for use during summer. - copied from Naked Science Forum website
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At the turn of the 20th century most people had Ice boxes. A Large Chunk or cube of ice could be delivered to your home, then put in your ice box. it looked some what like a small fridge.
the preffered method of preserving food in earlier times was through salting and curring with smoke
in the olden days they did nothere food cold when they slaughtered
they just ate whole thing they didn't have anything left
they had ice boxes that they kept inthe house, and they had cellers where they kept ice and snow.
After being defrosted, frozen foods must be cooked before being re-frozen.
Date marking frozen food is not necessary when the food will be eaten before its expiration date. The process of freezing food prolongs its life but does not allow it to be stored indefinitely.
frozen food
If you are in an age before Electricity, it means that the building has no food. If you're in an age with Electricity, it means the building has no electricity.
Frozen Food is food that has been prepared and cooked then packaged and rapidly frozen. Such food is sold in shops from freezer cabinets from where people take it home and put it in their freezers. To use this food you need to take it out of the freezer and let it thaw before reheating and serving it.
By freezing food before the use by date will allow you to enjoy some of your perishable items past the use by date. However you cannot store food indefinitely, frozen food can go bad after a while and obtain freezer burn.
To insure thorough cooking of the food item.
no providing it is cooked properly
18 degrees Fahrenheit is frozen food. 18 degrees Celsius is not frozen food.
Baby food in jars has no need to be frozen. Homemade prepared baby food can certainly be frozen.
Leftover food should be reduced to room temperature before storing. It can be refrigerated or frozen.
Food which has been cooked can be frozen, even if it was frozen prior to cooking. BUT Frozen food which has been thawed, but not cooked, should never be re-frozen. Nor should food which was cooked, frozen and thawed.