If you decide to use this method for long term storage start from now to see if you can make viable oxygen absorbents from iron filings scavenged from steel wool and then see how long the flour will last when compared to other storage methods.
Best long term storage for flour.
Put flour in an airtight vapor proof container to prevent the absorption of odors.
No other method is truly reliable for long term flour storage.
Move your flour to a freezer or refrigerator when you don t have an air conditioning storage room especially in summer season.
All long term containers for flour should be stored at between 40 and 70 degrees for optimal shelf life and nutrition.
If you want to store flour long term over 3 months then the best method is mylar bags with oxygen absorbers.
Label the container with the ingredients and the date purchased.
We like this oxo pop 4 3 quart container.
Flour will last 20 30 years in food grade buckets if kept at the proper temperatures.
The square sides make storing in your freezer easier and the large size is big enough for.
I will be using this flour fairly soon i m planning a bread making challenge but this quick tip holds true for long term food storage too.
Pitch the paper sack the original paper sacks that many brands use to package flour may seem durable enough for storage but they re not the best vessel for keeping flour fresh especially after you ve opened it.
Nut and alternative flours spoil even faster than whole grain flours because they contain a lot of oil.
You can leave your flour in its original bag but for long term storage it s best to move it to an air tight container that can protect against smells flour will absorb odors and liquids from the freezer walls.
Flour will keep for about 6 to 8 months when stored this way.
Keep your flour at its best long term by storing it in an airtight container in the refrigerator or freezer.
Store in a cool dry dark location off the floor and away from materials with strong odors like soap chemicals or onions.
As long as your flour tastes and smells good there s no need to worry it s still usable.
Below are several flour storage methods.
Best ways to store flour.
Never combine an old package of flour to a new one this will affect the shelf life of the new flour.
Whole grain flours like barley wheat quinoa millet and oat flour have a shelf life of a few months.
This kills any insects already in the package and i dont have to inspect for bugs.
Every time i buy grains such as flour rice cereals pancake mix etc they go into the freezer for 2 or 3 days.
Place whole grain nut and alternative flours in the freezer for long term storage.