Shelf Life Tips
- How long does onion powder last? The precise answer depends to a large extent on storage conditions - to maximize the shelf life of onion powder store in a cool, dark cupboard, away from direct heat or sunlight.
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How long does onion powder last at room temperature? Properly stored, onion powder will generally stay at best quality for about 3 to 4 years.
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To maximize the shelf life of onion powder purchased in bulk, and to better retain flavor and potency, store in containers with tight-fitting lids.
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Is onion powder safe to use after the "expiration" date on the package? Yes, provided it is properly stored and the package is undamaged - commercially packaged onion powder will typically carry a "Best By," "Best if Used By," "Best Before," or "Best When Used By" date but this is not a safety date, it is the manufacturer's estimate of how long the onion powder will remain at peak quality.
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Does onion powder ever spoil? No, commercially packaged onion powder does not spoil, but it will start to lose potency over time and not flavor food as intended - the storage time shown is for best quality only.
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How can you tell if onion powder is still good? To test whether onion powder is still potent enough to be effective: Rub or crush a small amount in your hand, then taste and smell it - if the aroma is weak and the flavor is not obvious, the onion powder should be replaced.
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Sources: For details about data sources used for food storage information, please click here
