DIY Onion Powder

Make Your Own Onion Powder

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Onion is probably the most used vegetable in our house. We do a lot of cooking at home and onion is present in about 90% of those dishes, so we tend to keep it on hand. I’ve been going a bit crazy lately on ordering onions in our Imperfect Produce box, and I ended up with more than I know what to do with. Typically, I will chop them up and throw them in the freezer, but we have a ton in there already, so I decided to make onion powder instead.

I’ve been thinking a lot about preserving lately since summer is coming to an end. I was collecting herbs from the garden to dry and that triggered the thought of what to do with the onions. Making onion powder is a great way to preserve and store your onions without taking up too much space, and you don’t need a dehydrator to do it. Since I don’t have a dehydrator (yet), I just used my oven at its lowest setting, and it worked great. This is the same method I used to dry out oranges and apples for our winter garland.

Homemade Onion Powder

  1. To make the onion power, first, preheat your oven to its lowest temperature. Mine only goes down to 170 degrees.
  2. Next, peel and cut your onion(s) into thin slices. If you have a mandolin slicer it will make it much easier, but I just used a knife, and it turned out fine.
  3. Lay your onion slices out on a baking sheet. Bake in the oven for about 6 hours depending on the size of your slices.
  4. Once the onion slices are crisp and dry, you can throw them in a blender or spice grinder until they form a powder. Make sure to let the dust settle for a couple of minutes before open the lid.
  5. Store in a spice jar and enjoy.

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