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Keto French Onion Soup

This Keto French Onion Soup is the ultimate comfort food! It's cheesy, creamy, and super filling. You'll want to make this recipe over and over again - especially because it's low-carb, keto-friendly, grain-free, and gluten-free!
Prep Time10 minutes
Cook Time1 hour
Total Time1 hour 10 minutes
Course: Appetizer
Cuisine: French
Servings: 6 Servings
Calories: 708kcal

Ingredients

  • 1/2 cup 1 stick butter
  • 2 1/2 cups about 2.5 onions, sliced
  • 2 cloves garlic minced
  • 2 sprigs fresh thyme
  • 2 bay leaves
  • salt and pepper
  • 1 cup red wine
  • 3 tablespoons coconut flour
  • 2 quarts beef bone broth
  • Gruyere or another good melty cheese, optional

For the Biscuits

  • 3 cups mozzarella cheese
  • 4 tablespoons cream cheese
  • 1 1/2 cups almond flour
  • 2 teaspoons xanthan gum
  • 2 eggs
  • 4 tablespoons melted butter
  • 2 teaspoons yeast mixed into 2 tablespoons warm water

Instructions

For the Soup

  • Add the butter, onions, garlic, thyme, and bay leaves in a large pot on medium-low heat. Season with salt and pepper.
  • Saute for about 25-30 minutes or until the onions are softened and turning a caramel brown color.
  • Add the red wine, turn up heat to bring the mixture to a boil, and then turn down heat to low and allow to simmer.
  • Simmer for 5 minutes or until the alcohol smells like it has been cooked away.
  • Add in the coconut flour and stir to combine.
  • Cook for 5-10 minutes and then add the beef bone broth.
  • Turn heat to high and bring to a boil, cover with lid, then turn down to simmer a for 10-15 minutes.
  • Ladle the soup into oven-safe bowls, top with our Keto Biscuits (see recipe below), then top with Gruyere or another good melty cheese.
  • Broil for a few minutes until everything is bubbly and starting to turn golden.

For the Biscuits (Makes 12 large biscuits)

  • Heat your oven to 350°F and line a baking sheet with parchment paper.
  • Microwave the mozzarella and cream cheese for 90 seconds, stirring at each 30 second interval until the cheese is melted.
  • Attach the hook attachment to a stand mixer. Add the almond flour and xanthan gum to your mixer bowl and mix until combined.
  • Add in the eggs, 2 tablespoons of the melted butter, and the yeast mixture. Then add your melted cheese.
  • Mix for 10 minutes, scraping down the sides if needed.
  • Roll dough into 12-15 balls and place them on the lined baking sheet.
  • Drizzle each ball with melted butter and sprinkle coarse salt over top.
  • Bake for 10 minutes at 350°F and then turn the oven down to 325°F and bake for another 10 minutes or until the biscuits are golden brown on top.

Nutrition

Calories: 708kcal | Carbohydrates: 18g | Protein: 34g | Fat: 54g | Saturated Fat: 19g | Cholesterol: 130mg | Sodium: 809mg | Potassium: 232mg | Fiber: 6g | Sugar: 5g | Vitamin A: 1513IU | Vitamin C: 6mg | Calcium: 388mg | Iron: 2mg