homemade onion flakes

We were super duper excited when we found out you can make homemade garlic powder. It was easy and tasty and preservative-free. And then… we found out you can make…. homemade onion flakes!!!

 We just saw onion flakes mentioned on some website and found no actual directions… So we made it up. Cuz we can do that.

Homemade Onion Flakes



Directions: (basically the same as the garlic powder!)

1. Cut up your onion. We did ours in quarters and then spread out the layers on a pan. You could go crazy and chop ’em up and then spread them out. I’m just lazy. They might dry out faster if they are smaller chunks.
2. Stick them in the oven at the lowest temperature yours will go (mine goes to 150). OR a dehydrator! But we don’t have one of those.
3. Leave it in there for forever. (ok. not forever. I did mine for 2 hours, let them sit in the off oven overnight, and then another hour in the morning.) They should be brittle.
4. Break them up with a fork or your fingers. Or stick them in a coffee grinder or mortar & pestle for more of a “ground” consistency. I like the bigger chunks for onions. And I like not getting the coffee grinder dirty…. 

Best of all, these have no preservatives, salt added, or whatever else those spice containers have added to them.

before drying out: 

after a couple of hours in the oven:

and done. I’m off to see what other spices you could make…. oh the options!



  1. Ming June 20, 2012 at 12:16 pm

    Who knew onion flakes were so good for medicating one’s internet-related anxieties? LOL! I love them on broiled fish with lemon juice, too. I never really thought about spices having preservatives, gonna have to start growing more of my own!

  2. Becca C. August 28, 2012 at 1:17 pm

    How long would these last compared to store bought onion flakes?

  3. Kimber August 6, 2013 at 10:01 am

    I just found out what celery flakes were and that I could make them. And now you are telling me I can make my own onion flakes?!?! This is the best day ever!!!!

  4. Sean December 7, 2013 at 5:18 pm

    I made these yesterday and i now have an absolute ton of onion flakes!

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