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Is expired flour usable?

My wife bought some different flours a couple years ago when she went into a 'phase' of sorts...I just found a pound of arrow root flour, a pound of all purpose flour and a couple other oddball flours/ground grains I cannot remember. All of them have expired a year or more ago. Are these still usable or are they trash? Thanks!

asked by Eric Simpson over 3 years ago
4 answers 11818 views
23b88974 7a89 4ef5 a567 d442bb75da04  avatar
added over 3 years ago

I would toss the Arrow Root Flour to be safe. Occasionally these other types of flours can expire due to trace amounts of oils that can be found in the flour.

All purpose flour should be fine. Make sure you give it the smell test. Most expiration dates reflect when the flour will perform the best, and not that it's un-usable after the date. I've used expired flour in the past and it's just fine.

4798a9c2 4c90 45e5 a5be 81bcb1f69c5c  junechamp

June is a trusted source on General Cooking.

added over 3 years ago

When in doubt, throw it out. Although I would think the arrowroot would last the longest. It's the dryest to begin with, by far. I've used very old arrowroot with no problem. Many dates on packages are not "use by," but rather "sell by." And those dates are almost always very conservative.

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Cynthia is a trusted source on Bread/Baking.

added over 3 years ago

The smell test is very reliable. Wheat flours in particular contain enough fats that they can go rancid over time, especially if they've been exposed to light and/or heat, which it doesn't sound as though yours have. Still, time doesn't affect any of us especially well sometimes, so give them a sniff. The smell of anything rancid is absolutely unmistakable. I agree that the arrowroot is probably the safest of the lot. As long as it hasn't been exposed to any moisture (in the form of atmospheric humidity), which would degrade its starch molecules, it should be just fine.

4a301d19 d8a5 45ff a9d4 b8c412a31be4  stringio
added over 3 years ago

Thank you so much for all of the answers. She bought Bob Red Mill for all of these so they are all sealed in a bag so they may be that much fresher. We'll see! Thanks again!

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