Make homemade French onion soup gluten free with a few simple swaps. This savory (and better-for-you!) soup features caramelized onions simmered in rich beef broth, then topped with bread and cheese. The finishing touch? A quick trip under high heat to create a gooey, golden crust—a process known as gratinéeing, which adds irresistible flavor and texture. Now, gluten-free gourmets can enjoy every comforting spoonful!
Gluten-Free French Onion Soup
Prep Time 15 minutes
Cook Time 1 hour 45 minutes
Total Time 2 hours
Servings 6
Calories 310 kcal
Ingredients
- 5 cups yellow onion thinly sliced
- 2 Tbsp. olive oil
- 1 tsp. salt
- 1 tsp. agave syrup
- 2 Tbsp. gluten-free flour
- 1 qt. beef broth
- 1 Tbsp. red wine vinegar
- 1/2 cup water
- 1/2 tsp. salt
- 1/4 tsp. black pepper
- 1/2 tsp. Herbs de Provence or Italian seasoning
- 6 slices gluten-free French baguette or similar toasted
- 6-18 slices thin-sliced cheese Parmesan, provolone, Swiss, Fontina, Gruyere or mozzarella
Instructions
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In 5-quart pot on low, heat olive oil and stir in onions. Cover and cook 20 minutes.
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Remove cover, turn heat to medium and add salt and agave. Cook 30 minutes, stirring often until onions are browned.
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Whisk in flour, beef stock, red wine vinegar and water. Bring to boil then cover and simmer 30-45 minutes.
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Remove from heat, add salt, pepper and Herbes de Provence or Italian seasoning to taste.
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Pour each serving into ramekins, top with toasted bread and thin slices of cheese.
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On a sheet pan, place ramekins and turn oven to broil. Broil until cheese is melted.
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Remove from oven and serve. (Note: Be cautious as ramekins are extremely hot.)
Recipe Notes
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Nutrition Facts
Gluten-Free French Onion Soup
Amount Per Serving
Calories 310
Calories from Fat 81
% Daily Value*
Fat 9g14%
Saturated Fat 3g15%
Polyunsaturated Fat 1g
Monounsaturated Fat 5g
Cholesterol 20mg7%
Sodium 1380mg58%
Potassium 389mg11%
Carbohydrates 34g11%
Fiber 4g16%
Sugar 9g10%
Protein 23g46%
Vitamin A 105IU2%
Vitamin C 10mg12%
Calcium 625mg63%
Iron 2mg11%
* Percent Daily Values are based on a 2000 calorie diet.
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