Shelf Life Tips
- How long does a package of cake mix last? The precise answer depends to a large extent on storage conditions - to maximize the shelf life of cake mix store in a cool, dry area.
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How long does cake mix last at room temperature? Properly stored, a package of cake mix will generally stay at best quality for about 12-18 months at room temperature.
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To maximize the shelf life of cake mix once the package is opened, transfer cake mix to a covered airtight container or place original cake mix bag in a resealable plastic freezer bag.
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Is cake mix safe to use after the "expiration" date on the package? Yes, provided it is properly stored and the package is undamaged - commercially packaged cake mix 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 cake mix will remain at peak quality.
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Storage time shown is for best quality only - after that, the cake mix's texture, color or flavor may change, but in most cases, it will still be safe to consume if it has been stored properly, the package is undamaged, and there are no signs of spoilage (see below).
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How can you tell if cake mix is bad or spoiled? The best way is to smell and look at the cake mix: if the cake mix develops an off odor, flavor or appearance, or if mold appears, it should be discarded.
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Sources: For details about data sources used for food storage information, please click here
