Bone Broth French Onion Soup (Paleo, Whole30, Keto)

4 minute read

This decadent and flavorful French onion soup showcases tender, sweet onions in a rich, gut-loving bone broth. With Paleo, Whole30, and keto options, this soup is like a warm hug in a bowl and is the perfect meal for those cold winter nights.

Living in Minnesota, soup season starts early here so I am always looking for comforting and delicious soups to serve and this French onion soup does not disappoint.  For those who are gluten-free and dairy-free like me, I promise this soup is so good on it’s own you won’t miss the bread and cheese!

Why Beef Bone Broth is So Good For You!

We have all heard about bone broth, but have you ever wondered why it is so popular and everywhere you turn? Let’s unpack a little about how bone broth is so good for you and why it is my favorite type of broth to cook with.

Bone broth is full of vitamins, minerals, and protein (in the form of collagen) extracted from the bones, connective tissues, and other ingredients, like carrots and celery, you add to the broth. Let’s talk collagen. Collagen is the protein released from the connective tissues and bones and makes up about 30% of the protein in your body. Did you know that the amino acids in collagen are utilized by your body for an array of functions and processes, including keeping your hair, skin, and nails healthy [1]?

  • Glycine is necessary in the production of glutathione, an antioxidant that reduces oxidative stress and supports liver health.
  • Hydroxyproline: It supports healthy bones, cartilage, tendons, and skin.
  • Arginine supports healthy blood pressure and blood sugar regulation.
  • Proline: aids digestion, metabolism, and wound healing [2].

Did I mention that making your own beef bone broth at home is way more cost-effective? I am all about whole foods and high-quality, nutritious options, but I also try to be conscious of the cost. The bone broth you find in your grocer’s freezer section is only 24 ounces and costs about $8–10 per pouch! That’s crazy! This recipe yields TWO 32-ounce jars for around $7!

So grab some bone broth and let’s make some French onion soup!

Bone Broth French Onion Soup (Paleo, Whole30, Keto)

Makes 4-8 servings.

1 Tbsp EVOO

3 lbs Onions, peeled and thinly sliced

6 cups Beef Bone Broth

5-6 Sprigs Fresh Thyme

1/2 cup Good Red Wine (omit for Whole30)

1 tsp Real Salt, plus more for taste

1/2 tsp Ground Black Pepper

4-8 slices French Baguette*, cut ¼” medallions

2 cups Gruyère Cheese**, grated

*Omit or substitute for Paleo, Whole30, and keto with compliant bread

**Omit for Paleo/Whole30

How to Make Bone Broth French Onion Soup

1. Make the bone broth earlier in the morning or the day before if you are making homemade.

2. Prep the onions by slicing them into half-moons.

3. In a large pot or Dutch oven, add the evoo, onions, thyme, and 1 tsp of salt, heat over low-medium heat for 45-60 minutes, stirring every 5-10 minutes until the onions are soft and caramelized.

4. Remove the thyme stems after the leaves have fallen off.

5. Add the red wine to deglaze the pan, sauté for about a minute scraping any caramelization from the pot.

6. Add the bone broth, black pepper and season with more a touch more salt if necessary.

7. Bring to a simmer and cook for 10-minutes for all the flavors to marry.

8. Heat the broiler and ladle the soup into an oven safe soup bowl or French onion soup bowls.

9. Add 1-2 baguette medallions and top with 1/4-1/2 cup of gruyère cheese each.

10. Broil until the cheese has melted, browns and is nice and bubbly.

Enjoy!

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Bone Broth French Onion Soup (Paleo, Whole30, Keto), Almond Milk & Cookies

French Onion Soup

This decadent and flavorful French onion soup showcases tender, sweet onions in a rich, gut-loving bone broth.
Prep Time 7 minutes
Cook Time 1 hour 15 minutes
Course Appetizer, Dinner, Side Dish, Soup
Cuisine French
Servings 4
Calories 275 kcal

Equipment

Ingredients
  

  • 1 Tbsp EVOO
  • 3 lbs Onions peeled and thinly sliced
  • 6 cups Beef Bone Broth
  • 5-6 Sprigs Fresh Thyme
  • ½ cup Good Red Wine omit for Whole30
  • 1 tsp Real Salt plus more for taste
  • ½ tsp Ground Black Pepper
  • 4-8 slices French Baguette* cut ¼” medallions
  • 2 cups Gruyère Cheese** grated

Instructions
 

  • Make the bone broth earlier in the morning or the day before if you are making homemade.
  • Prep the onions by slicing them into half-moons.
  • In a large pot or Dutch oven, add the evoo, onions, thyme, and 1 tsp of salt, heat over low-medium heat for 45-60 minutes, stirring every 5-10 minutes until the onions are soft and caramelized.
  • Remove the thyme stems after the leaves have fallen off.
  • Add the red wine to deglaze the pan, sauté for about a minute scraping any caramelization from the pot.
  • Add the bone broth, black pepper and season with more a touch more salt if necessary.
  • Bring to a simmer and cook for 10-minutes for all the flavors to marry.
  • Heat the broiler and ladle the soup into an oven safe soup bowl or French onion soup bowls.
  • Add 1-2 baguette medallions and top with ¼-½ cup of gruyère cheese each.
  • Broil until the cheese has melted, browns and is nice and bubbly.

Notes

*Omit or substitute for Paleo, Whole30, and keto with compliant bread
**Omit for Paleo/Whole30
 

Nutrition

Nutrition Facts
French Onion Soup
Amount per Serving
Calories
275
% Daily Value*
Fat
 
11
g
17
%
Saturated Fat
 
6
g
38
%
Cholesterol
 
23
mg
8
%
Sodium
 
628
mg
27
%
Carbohydrates
 
28
g
9
%
Fiber
 
4
g
17
%
Sugar
 
9
g
10
%
Protein
 
15
g
30
%
* Percent Daily Values are based on a 2000 calorie diet.
Keyword Bone Broth, Easy soup, French Onion, Gluten Free Soup, Keto Soup, Paleo Soup, Whole 30 Soup
Tried this recipe?Let us know how it was!

FAQs

Q: Is it okay that my onions were browned in like 15-20 minutes?

A: Ideally, you want low and slow, a nice caramelization for French onion soup should take around 45-60 minutes

Q: Is there supposed to be a lot of water when my onions are cooking?

A: Yes, water will be released from the onions as they cook down, give it time and be sure to keep the onions cooking at a low-temperature.

Q: Can I use a chicken or vegetable broth to make French onion soup?

A: Yes, if you are going to substitute the beef bone broth, then add 1 teaspoon to 1 Tablespoon of coconut aminos per cup of broth for that rich, umami flavor.

Q: Why don’t you toast your baguette before adding it to the soup?

A: This is just a preference, and my family loves the soft, soup soaked bread covered in melted cheese over the crostini, so that is how I’ve always made it, but please, do what you love!

Note: This post contains Amazon affiliate links to the products and kitchen gear I love. If you click on a link and make a purchase, I receive a small commission at no cost to you. Thank you for supporting Almond Milk and Cookies!

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Welcome to Almond Milk and Cookies where good food, health and lots of flavor go hand-in-hand!

I am a holistic nutritionist with an auto-immune disorder, a love of cooking, and a passion for holistic health.

Sharing what I make and eat with all of you…in hopes that you find inspiration here to fuel your body and feel your best with nutrient dense whole foods and clean eating.

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