Keto French Onion Soup Recipe – So Cheesy And Delicious

French Onion Soup is one of my favorite meals. The velvety soup is filled with tender beef and crunchy french fried onions, and the best part is that you can’t really screw this up. But if you want to know how to make a perfect French Onion Soup recipe, this recipe is for you.

French onion soup is a traditional dish that is enjoyed by many people throughout the world. This soup is especially loved by many people from the United States. This recipe for French onion soup is prepared by cooking onions and then pureeing it. Some of the best French onion soup recipes use the slowly cooked onions to prepare a very delicious soup.

Looking for a classic savory soup staple during the fall and winter months?

This keto French onion soup checks off all the boxes: low-carb, easy, savory, and total comfort food. Did I mention easy? This recipe is beyond simple, and the outcome is a tasty meal for the whole family. This soup is packed with flavor from the rich broth to the melted cheese – in fact, this keto recipe screams grandma’s table.

Mouthwatering soups are packed with flavor, and this soup does not disappoint.

Here is a savory winner for the cookbooks. Traditional French onion soup has those oh so good croutons hiding below the cheese… but don’t worry – I’ve added a replacement for those croutons to still give you that comfort carb feeling without the carbs, bloating, and guilt.

Hip Tips

  • Caramelizing the onions is the key to bringing out the flavor for this soup. It’s such an easy step, and so worth it!
  • Aren’t these Mini Dutch Ovens I used in this recipe so cute?
  • I used mozzarella and parmesan cheese in one bowl of soup, and I used provolone in another. That said, try mixing up the cheeses in yours. You can even add a punch of flavor and try gruyere cheese!
  • This soup can be made ahead of time – just don’t add the cheese to place under the broiler until you’re ready to eat.


Keto French Onion Soup

yield: 6 SERVINGS

prep time: 10 MINUTES

cook time: 1 HOUR 10 MINUTES

total time: 1 HOUR 20 MINUTES

This soup is packed with flavor from the rich broth to the melted cheese – total comfort food!

  • 1/3 cup grass fed butter
  • 2 tablespoons minced garlic
  • 4 sliced medium onions
  • 2 tablespoons worcestershire sauce
  • 1 teaspoon pepper
  • 2 teaspoons salt
  • 3 cups organic beef broth
  • 2 sprigs fresh thyme
  • 2 bay leaves
  • 1/2 cup mozzarella cheese
  • Pork Rinds


In a large saucepan over medium heat, melt butter and garlic.


While butter is melting, slice your onions into 1/2 inch slices. If you prefer smaller pieces of onion, I suggest chopping. Add onions to melted butter and caramelize for 20-30 minutes, stirring occasionally.


Add spices and broth to your caramelized onions and let simmer for 30 minutes on low.


Remove thyme and bay leaves before pouring the soup into dutch ovens or an oven-safe dish.


Pour soup into the dutch ovens, leaving about an inch space from the top to add pork rinds and cheese.


Add crumbled pork rinds and cheese to the very top and place in the broiler until cheese is bubbling.

Yield: 6 cups, Serving Size: 1 cup
Amount Per Serving:
197 Calories | 14 Fat | 12 Total Carbs | 2 Fiber | 0 Sugar Alcohol | 7 Protein | 10 Net Carbs

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Seriously. How amazing does this soup look!

I can’t get enough of this. It’s so tasty, I never even miss the bread! And the pork rinds behave just as croutons would in this recipe. So whether you’re craving a classic soup recipe or just want something with loads of flavor, this will be a staple in your kitchen in the fall and winter months for years to come. Enjoy!

Love this soup? Make any of these yummy keto soup recipes!

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