Buying in Bulk | How to Store and “Critter Proof” Flour

 Bulk Flower

Have you ever seen a great deal on a huge sack of flour and pass on it because you don’t know how to store it?  Next time you see a super deal on a big bag of flour (or several smaller bags) purchase it with confidence because today you’re going to learn that keeping and storing bulk flour is really, really easy!

But first, being the frugal gal that I am, I will encourage you to do a little math.  Too often people purchase in bulk and just assume it’s a great deal – and often it is just as expensive or more so than the grocery store.

That being said, you can purchase flour in bulk at places like the Costco Business Center, Cash and Carry, even Winco, and any other warehouse business that is tailored for restaurant supply.

You’ll need:

    • Ziploc Freezer Bags  (I like the gallon size)
    • Sharpee Marker

You may also need:

    • Storage tub with tight fitting lid

Often when you see bugs in your flour it’s because their eggs were already in there and they hatched.  (I know, it’s gross, but that’s how grains are!)  So the best way to get rid of this problem is by freezing the flour.

Yep, I said freeze.

You simply fill Freezer Ziploc bags with flour, push out as much air as possible, and stick those puppies in the freezer for 72 hours.  Sounds really weird but it works.  If you have the storage space, you can continue to keep them in the freezer until ready to use.  Just make sure those seals are AIR TIGHT.

Freezing Flour1

Moisture, light, and pests are flour’s worst enemy so be mindful.  When you bring out a new bag don’t open it until it has fully come to room temperature.  Opening too early can pull warm air in and cause clumpy, moist flour.

If you don’t have the freezer space I’ve been told you can also freeze for the initial 72 hours and then remove to store in any clean container with a tight fitting lid.  With this method, you can actually place a 5lb bag in the ziploc, freeze it, and place that intact 5lb bag into your container.  Again, bring the flour to room temperature before opening the ziploc and before placing it in the storage container.  Keep the container off the floor and in a cool, dry place.

Don’t forget to write the date on your bags (either the packed on or best by date) so you can rotate.  People claim you can store flour up to a year, but I’ve heard of people who successfully freeze their flour for well over a year.

Most grains can be stored the exact same way.  Oatmeal, rice, even beans can be frozen to extend the shelf life and rid them of bugs.  So next time you see a super deal on grains, don’t be afraid to grab it!


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