Gluten-free flour blends are a convenient way to swap out regular all-purpose flour in recipes. The blend of flours in all-purpose gluten-free blends will vary, but in general, they have similar shelf lives.
All-purpose gluten-free flour blends generally last around 3-6 months at room temperature, around 6 months in the fridge, or up to a year in the freezer. When in doubt, check the use-by/best-by date printed on the package to determine how old your flour is and whether you should toss it or not.
What are some signs that all-purpose gluten-free flour blends have gone bad, and how should you store them? We have the answers!
What is the shelf life of all-purpose gluten-free flour blend?
All-purpose gluten-free flour blends vary by brand in ingredients but typically include a variety of gluten-free flours meant to mimic regular all-purpose flour.
For instance, Bob’s Red Mill’s all-purpose gluten-free flour contains sorghum, tapioca, garbanzo bean, potato, and fava bean flour.
The specific shelf life of all-purpose gluten-free flour will vary based on the blend of flours it contains, but in general, should last 3-6 months when stored at room temperature.
How long does all-purpose gluten-free flour blend last after opening?
All-purpose gluten-free flour blends should be good until their printed best-by or use-by date after opening. Otherwise, expect it to last around 3-6 months after opening when stored in the pantry.
You can get more use out of your gluten-free flour blend by storing it in the fridge or freezer, which helps it stay fresh longer.
The shelf life of all-purpose gluten-free flour blends will vary among manufacturers, but here are some general guidelines in terms of how long they will last after opening:
| Pantry | Fridge | Freezer | |
| All-purpose gluten-free flour blend (open or sealed) | 3-6 months | 6 months | Up to one year |
Can you use all-purpose gluten-free flour blend after its expiration date?
As long as there aren’t any signs that it’s gone bad, it’s generally fine to use all-purpose gluten-free flour a bit after its expiration (best-by or use-by) date. Keep in mind that using gluten-free flour past its ideal printed date might result in lower-quality baked goods, so it’s important to check it for quality before using it.
Due to the shorter shelf life, you shouldn’t plan on using gluten-free all-purpose flours much past their expiration date, mainly for the sake of the quality of your baked goods.
How to tell if all-purpose gluten-free flour blend went bad
While flour isn’t likely to go bad quickly like some foods, there will be some signs that your all-purpose gluten-free flour has gone bad and shouldn’t be used.
Some signs to watch out for that all-purpose gluten-free flour blend has gone bad:
- It smells rancid, sour, or musty.
- It shows signs of moisture, such as mold, mildew, or large/hard clumps.
- It tastes “off”, such as being bitter.
What’s the danger in using all-purpose gluten-free flour blend after it’s gone bad?
Fortunately, there aren’t major risks that come with using all-purpose gluten-free flour blend after it’s gone bad.
Flour isn’t a typical host of foodborne illness-causing bacteria like fresh produce and undercooked meats can be. That means that if you eat old all-purpose gluten-free flour after it’s gone bad, you might end up with an upset stomach, at worst.
Best storage practices for all-purpose gluten-free flour blend
- Many gluten-free flours are best stored in the refrigerator or freezer instead of the pantry. This can be due to more moisture being present, as well as the flour having a higher fat content compared to regular all-purpose flour.
- Keep all-purpose gluten-free flour blend away from direct heat or sunlight, which can cause it to dry out more quickly than when it’s stored in a cool, dark place, such as the pantry.
- Once it’s been opened, transfer gluten-free all-purpose flour into an airtight container instead of the package it came in, which can more effectively keep air out.
FAQs:
Gluten-free flours don’t have long shelf lives, so it’s not a good idea to use significantly expired gluten-free flour. Always check expired flour for signs that it’s gone bad before deciding to use it or not.
The best way to tell if gluten-free flour is bad is to use your different senses – sight, smell, and taste. For instance, if the flour has clumps, mold, mildew, smells musty, or tastes bitter, it’s time to throw it out.
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