Onion Soup Mix from Scratch

Instant Onion Soup Mix from Scratch

Happy happy Friday and Happy Fiesta Friday to everyone partying over at FiestaFriday.net!   It’s my first time joining the party with Served From Scratch and I know, onion soup mix?! What kind of a party treat is that?!  Sadly, it’s all I have to bring ’cause I’m doing a drive by- literally!  I’m in the car right now (hooray for personal hotspot Internet!) on the way up to Whistler, BC for a long weekend.  Ahhh… so I leave you lovely party go-ers with this From Scratch versatile mix!  Quick, someone grab some sour cream and make an onion dip!  

IMG_1372Or put ’em in a grab bag and take them home to use for a chuck roast in the crock pot.  That’s what I originally used it for- recipe coming soon!  Even better, it gave me an excuse (like I need one) to use our food dehydrator to make our own dried onion flakes.


 Seriously. Best. gift. Ever.  Thanks, Mona!

Instant Onion Soup Mix from ScratchI left these guys in for about 24 hours.  Did they need that long? Probably not, but I got super busy and forgot about them…

Instant Onion Soup Mix from Scratch

 But it did make them super dried, dried onions!  So I gave them a quick chop and viola!  Homemade dried onion flakes.  Don’t have a dehydrator? Not a problem- you can find dried onion flakes in the spice section of the grocery store.Instant Onion Soup Mix from Scratch Then, it’s super easy. Just a mix of a bunch of spices you probably already have in the house: paprika, garlic powder, thyme, mustard powder, pepper, and salt.

Instant Onion Soup Mix from Scratch

 And then you have your very own, from scratch, onion soup mix!  Add water for a soup, sour cream for a dip, or use it in any other recipe that calls for onion soup mix.  All from scratch and much cheaper than buying the pre-made packages.  Stay tuned for the Crock Pot Chuck Roast I made with ours by following me via email!

Onion Soup Mix from Scratch
DIY Onion Soup Mix
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  1. 1/4 cup dry onion flakes or your own dehydrated onion
  2. 1 teaspoon kosher salt
  3. 1 teaspoon dried thyme
  4. 1 teaspoon paprika
  5. 1 teaspoon dry mustard
  6. 1 teaspoon garlic powder
  7. 1/4 teaspoon black pepper
To Dehydrate Onions
  1. Slice 2 onions thin and line in dehydrator. Dehydrate at 145 degrees for at least 15 hours.
  2. When dried, chop.
For the Mix
  1. In a small mixing bowl, combine all ingredients.
  2. Store in an airtight container.
  3. To use, stir into recipes as you would commercial onion soup mix (about 1 to 2 tablespoons per 1/2 cup sour cream for dip).
Served From Scratch http://www.servedfromscratch.com/


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  • I love the idea of this because I’m a huge onion soup mix fan, but feel bad about using a packet of who knows what’s in there! Totally jealous of your food dehydrator 🙂 Enjoy your weekend and happy Fiesta Friday!!

    • Thanks, Amanda!! I love those mixes as well but totally love controlling what’s exactly in them more. Girl, you should totally invest in one or hint to a family member for a birthday or holiday ’cause they are amazing!! Happy FF! xo

  • I have never been so sad to not own a dehydrator! Onion soup is one of my absolute favourites as I use it for SO MANY things and I WANT to make this! Do you think I can dehydrate onions in the oven on the lowest setting? (like for fruit roll ups?)
    This is one brilliant recipe Tracy! Thank you!

    • Oooh you should totally treat yourself with one! 😀 But you can totally dehydrate them in the oven, too. Super low, like 140 degrees single layered for about 6-8 hours I’m sure would do the trick! 😉

  • Amazing!! What a genius idea to make your own onion soup mix- my husband misses out on his favorite onion dip from back in the day because I won’t buy the packet 🙂