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Home » Recipes » Soups

Gluten Free French Onion Soup

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Published: Sep 20, 2024 · Modified: Mar 9, 2025 by Sara · This post may contain affiliate links

This Gluten Free French Onion Soup is super easy to make, flavorful and oh so cheesy! Made with caramelized onions, wine broth and Gruyere cheese. Now even if you’re gluten free you can enjoy this classic French soup!

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a spoon pulling cheese off the top of a freshly cooked bowl of french onion soup.

The temps have dropped again and I’ve been all about making soups lately. There’s just something so comforting about cozying up to a nice hot bowl of soup.

This was my first time making French Onion Soup since I went gluten free several years ago. Honestly I don’t know why I waited so long!

My absolute favorite Baguette to use in this soup is the Schar Baguette, which currently I can only find at my local Sprouts or online. I really wish I could find these in every grocery store, they are just so good and fit perfectly in these little four individual bowls of fresh out of the oven french onion soup on a metal tray.

  • 1 stick of Butter
  • 4 – 5 medium sized Sweet Onions sliced thin into half moons
  • 2 Tbs Gluten Free All Purpose Flour
  • 1/2 cup White Cooking Wine
  • 1/2 cup Sherry
  • 8 cups Beef Broth
  • 1 small bunch fresh Thyme tied into a bundle with cooking twine
  • 2 Bay Leaves
  • Sea Salt and Pepper to taste
  • 8oz Gruyere cheese grated
  • 1 Gluten Free Baguette

How to Make French Onion Soup

In a large Dutch oven add Butter and heat over medium heat until melted. Add the Onions in layers and sauté until they are soft and golden, about 20-30 minutes. While the Onions are cooking prepare the Baguette.

Preheat oven to 400 degrees Fahrenheit. Slice Baguette into 1 inch rounds and place on a baking sheet. Bake 5 minutes each side until crispy, then set aside.

Next add the Flour to the Onions and stir 1-2 minutes. Add the White Wine and Sherry, simmer for 10 minutes stirring occasionally. Then add Broth, Thyme bundle, Bay Leaves, Salt, Pepper and simmer for 20 minutes.

French onion soup in 4 bowls

Remove Thyme bundle and Bay Leaves, discard. Place French Onion Soup bowls on a baking sheet (make sure they are oven and broil proof bowls).

Ladle Soup into each bowl. Place 1-2 bread rounds into each bowl and top with Gruyere. Broil 2-3 minutes until cheese is nice and melted.

melted cheese in French onion soup

Related Recipes with this Soup…

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If you try this recipe let me know what you think! Leave a comment below, rate it, share it on social media, or take a picture and tag it tastefulventure on Instagram! I LOVE seeing what you guys cook up.

Cheers!

Gluten Free French Onion Soup

Sara
This Gluten Free French Onion Soup is super easy to make, flavorful and oh so cheesy! Made with caramelized onions, wine broth and Gruyere cheese. Now even if you’re gluten free you can enjoy this classic French soup! 
Print Recipe Pin Recipe
Prep Time 10 minutes mins
Cook Time 1 hour hr 5 minutes mins
Total Time 1 hour hr 15 minutes mins
Course Soup
Cuisine French
Servings 8
Calories 299 kcal

Ingredients
  

  • 1 stick of Butter
  • 4 – 5 medium sized Sweet Onions sliced thin into half moons
  • 2 Tbs Gluten Free All Purpose Flour
  • 1/2 cup White Cooking Wine
  • 1/2 cup Sherry
  • 8 cups Beef Broth
  • 1 small bunch fresh Thyme tied into a bundle with cooking twine
  • 2 Bay Leaves
  • Sea Salt and Pepper to taste
  • 8 oz Gruyere cheese grated
  • 1 Gluten Free Baguette I like the Schar brand

Instructions
 

  • In a large Dutch oven add Butter and heat over medium heat until melted
  • Add the Onions in layers and sauté until they are soft and golden, about 20-30 minutes
  • While the Onions are cooking prepare the Baguette
  • Preheat oven to 400 degrees
  • Slice Baguette into 1 inch rounds and place on a baking sheet
  • Bake 5 minutes each side until crispy, then set aside
  • Add Flour to the Onions and stir 1-2 minutes
  • Add the White Wine and Sherry, simmer for 10 minutes stirring occasionally
  • Add Broth, Thyme bundle, Bay Leaves, Salt, Pepper and simmer for 20 minutes
  • Remove Thyme bundle and Bay Leaves, discard
  • Place French Onion Soup bowls on a baking sheet (make sure they are oven and broil proof bowls)
  • Ladle Soup into each bowl
  • Place 1-2 bread rounds into each bowl
  • Top with Gruyere
  • Broil 2-3 minutes until cheese is nice and melted
  • Enjoy!

Nutrition

Calories: 299kcalCarbohydrates: 30gProtein: 16gFat: 11gSaturated Fat: 6gPolyunsaturated Fat: 1gMonounsaturated Fat: 3gTrans Fat: 0.004gCholesterol: 31mgSodium: 1304mgPotassium: 410mgFiber: 2gSugar: 10gVitamin A: 281IUVitamin C: 8mgCalcium: 371mgIron: 2mg
Keyword French Onion Soup, Gluten Free French Onion Soup, gluten free soup, how to make French onion soup, Soup
Tried this recipe?Let us know how it was!

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Welcome!

Hi! I’m Sara, and welcome to Tastefulventure! Here at Tastefulventure I’ve been testing gluten free recipes for over 11 years in hopes of sharing everything I’ve learned with you. I’m a foodie who loves to experiment with many different ingredients. 

More about me

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