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Gluten-Free French Onion Soup {Paleo, Whole30}

Rich, comforting, and so full of flavor, this is the best Gluten-Free French Onion Soup you’ll ever eat! It is made without wine, flour, and cheese, making it perfect for Whole30, paleo, and dairy-free diets. Only you will know that it is healthy! 

Two bowls of whole30 + paleo french onion soup with thyme

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This soup is so incredible and made with just a few simple ingredients! And because we’re making it in the Instant Pot (slow cooker instructions are included too!), you’ll love how simple it is to whip up a batch any time the cravings start.

And trust me, one bite and you won’t be able to get this soup out of your head!

a bowl of sliced onions, coconut aminos, ghee, and other ingredients for dairy-free French onion soup

Want to make your meal prep even easier for this soup? Check out this post on freezing onions so you can always have the main ingredient ready to go!

What Are the Best Onions For French Onion Soup?

To develop the deep flavor that this soup is known for, you’ll want a strong onion. For that, I usually use a mix of red, yellow, and white onions. If I can only use one, it is red onions. Having used sweet onions in the past, I do not recommend them as I think it throws off the flavor profile. Adding in a shallot or two is always a great way to develop the flavor even more.

3 process photos showing how to caramelize onions in an Instant Pot for Paleo French Onion Soup

If you are looking for a conventional version of this recipe, check out our Instant Pot French Onion Soup.

Pro Tips/Recipe Notes

  • If onions make you cry, put them in the fridge for 30-60 minutes prior to cutting them.
  • Use 1 tsp dried thyme instead of fresh.
  • If you don’t eat beef you can use chicken bone broth in lieu of the beef stock.

two bowls of instant pot whole30 french onion soup

More Whole30 + Paleo Soup Recipes

Gluten-Free French Onion Soup WEIGHT WATCHERS POINTS

One serving has 4 WW Freestyle SmartPoints.

Two bowls of whole30 + paleo french onion soup with thyme
Print Recipe
5 from 5 votes

Gluten-Free French Onion Soup {Paleo, Whole30}

Prep Time15 mins
Cook Time25 mins
Pressurizing/depressurizing time20 mins
Total Time40 mins
Rich, comforting, and so full of flavor, this is the best Gluten-Free French Onion soup you'll ever eat!

Ingredients

Instructions

Instant Pot Instructions

  • Press "Saute" and let the Instant Pot heat up for 2 minutes.
  • Melt the ghee and add the onions and 1/4 tsp of kosher salt. Stir occasionally until browned (15-25 minutes). Some of the onions might stick a bit, but keep pushing everything around to deglaze the pot.
  • Add in the arrowroot and stir.
  • Add in the stock, coconut aminos, apple cider vinegar, thyme and bay leaf. Lock the lid into place and set the steam release handle (valve on top) to “Sealing”. Press Manual>High Pressure>10 minutes. 
  • Allow for 5 minutes of a natural release and then flip the valve to perform a quick release. Discard stems from the thyme and the bay leaf. 

Slow Cooker Instructions

  • Combine ghee, onions, and kosher salt and cook on low for 4 hours, stirring occasionally. 
  • Add in the arrowroot and stir.
  • Add in the stock, coconut aminos, apple cider vinegar, thyme and bay leaf. Turn slow cooker up to high and cook for an additional 1-2 hours. 

Notes

Use 1 tsp dried thyme instead of fresh.
 
Not Whole30/Paleo/Gluten-free, you can sub in Worcestershire sauce for the coconut aminos, and all-purpose flour for the arrowroot powder.
 
If you don't eat beef you can use chicken bone broth in lieu of the beef stock.
Nutrition Facts
Gluten-Free French Onion Soup {Paleo, Whole30}
Amount Per Serving (1 cup)
Calories 128 Calories from Fat 72
% Daily Value*
Fat 8g12%
Saturated Fat 4g25%
Cholesterol 19mg6%
Sodium 180mg8%
Potassium 233mg7%
Carbohydrates 11g4%
Fiber 1g4%
Sugar 3g3%
Protein 3g6%
Vitamin A 10IU0%
Vitamin C 6.5mg8%
Calcium 32mg3%
Iron 0.6mg3%
* Percent Daily Values are based on a 2000 calorie diet.

 

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17 comments on “Gluten-Free French Onion Soup {Paleo, Whole30}”

  1. Can I use a slow cooker? I prefer over an insta pot

    • You sure can! In the printable recipe card at the bottom of the post there are slow cooker instructions. I’ll c/p below:
      Slow Cooker Instructions
      Combine ghee, onions, and kosher salt and cook on low for 4 hours, stirring occasionally.
      Add in the arrowroot and stir.
      Add in the stock, coconut aminos, apple cider vinegar, thyme and bay leaf. Turn slow cooker up to high and cook for an additional 1-2 hours.

  2. Do you think that I could substitute corn starch for the flour?

  3. Oh wow! This soup was really delicious.5 stars

  4. How do I make this vegan? Beef and ghee won’t work – can I use vegetable stock and coconut oil as substitutes?

  5. thank you for this recipe! made it tonight SO easy and SO delicious. PS- i used soup bones from a costco rotisserie to make a chicken broth in my instapot FIRST and THEN made this with that. LOVING IT!5 stars

    • Making stock in the IP is one of my favorite things, so I LOVE that you did that! My husband calls it “garbage water” because it’s made from scraps. But it’s such a great way to stretch food and reduce waste.

  6. Just made this last night with home made beef bone broth and it was SO good! Making it again for lunch today :)) Thanks for the recipe!5 stars

    • Vicky, I’m so glad to hear that, and I bet the homemade bone broth made it extra special!

      Thanks so much for taking the time to leave a review. 🙂

  7. Is there  something i can dub the ghee for to make it compatible to AIP? No dairy allowed in the elimination phase

  8. This is AMAZING! It’s so silky and delicious.5 stars

  9. I absolutely LOVE French Onion Soup but never want to use wine. This recipe looks perfect- thanks!