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Part 1. Transfer refined flours into a sealed container. Refined flours, such as self-rising, all-purpose, pastry, and bread flours, are the most commonly used.
Because you may use this flour often, it should be stored in a sealed container that prevents air, moisture, and bugs from getting into the flour. Store refined flour in a cool, dry place. Refined flours have a shelf life of years, so as long as they are stored in a cool, dry spot. Put your container of flour in a cabinet or the pantry. Look for a sour scent to indicate rancid flour. If you are worried that your flour has turned rancid, smell it to see if it is still fresh.
Refined flours tend to smell sour when they have gone bad. Part 2. Place whole grain, nut, and alternative flours in the freezer for long-term storage.
Whole grain flours, like barley, wheat, quinoa, millet, and oat flour, have a shelf life of a few months. Nut and alternative flours spoil even faster than whole grain flours because they contain a lot of oil.
If you want to keep them fresh longer, store these flours in the freezer, so that the oil in the flour will not oxidize as quickly when exposed to air. Transfer the flour to an airtight container before freezing it.
Store flour that does not contain whole grains and starches in a cabinet. These types of flour can stay fresh your pantry or cabinet for at least a year, and often longer. Make sure the flour is in a dry storage container or sealed bucket if it will potentially be stored for a long period of time.
Look for an unpleasant odor to signal the flour went bad. Smelling your flour is the best way to check to see if it is still fresh. And kills all bugs. I purchase Gluten-free organic flour mix from Costco. It comes in a plastic air-tight bag with a tear-off resealable zip top. I store it in the freezer and take only what I need and combine it immediately with all other ingredients. Sometimes the use-by date has expired and the flour is still good, however, I am not a food scientist and cannot recommend using out-of-date anything to other people.
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Learn more. Is it okay to keep flour in the freezer? Ask Question. Asked 8 years, 6 months ago. Active 2 years, 6 months ago. Viewed k times. Improve this question. Fezter Fezter 1 1 gold badge 4 4 silver badges 12 12 bronze badges.
Add a comment. Active Oldest Votes. For white flour, according to the University of Nebraska Extension in Lancaster County emphasis added : For longer storage, keep white flours in the refrigerator in an airtight container. Improve this answer. The one note that should be made is that self-rising flour could lose some effectiveness if frozen, "thawed", refrozen, etc due to the moisture changes. Kaya Kaya 1 1 silver badge 10 10 bronze badges. Lieto Lieto 31 1 1 bronze badge.
I hope you really mean 'to keep fresh flour from being contaminated by bugs'. Because if you were hoping to kill bugs already in the flour by this method, please don't invite me to your house for scones or anything — user As a raw natural product, flour is typically contaminated with insects to some extent; the main question is how much.
Joey Joey 11 1 1 bronze badge. I found that this just wasn't enough.
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