Authentic French Onion Soup Gratinée with Golden Gruyère Crust
This classic French onion soup features sweet caramelized onions in a rich dual-stock broth, topped with crusty bread and bubbling Gruyère cheese. The perfect comfort food for cold evenings that's impressive enough for guests but simple enough for a weeknight indulgence.
Servings 10
Calories 370kcal
Ingredients
- 1 pound onions sliced
- 2 ounces butter
- 4 ounces white wine
- 1/2 gallon chicken stock
- 1/2 gallon beef stock
- 1 sprig thyme
- 1 bay leaf
- 1 teaspoon salt
- 1/2 teaspoon black pepper
- 1 loaf French bread sliced and toasted
- 1/2 pound Gruyère cheese shredded
Instructions
- In a large pot over low heat, cook the onions in the butter until caramelized, about 1 hour. Deglaze the pot with the white wine and allow the liquid to reduce.
- Add the chicken stock, beef stock, thyme, bay leaf, salt, and pepper to the pot and bring to a boil. Lower the heat and simmer for 30 minutes. Taste and adjust the seasoning if necessary.
- Pour the soup into serving bowls. Cover each bowl with the toasted bread and top with shredded cheese. Place under the broiler until the cheese is melted and golden brown.
Nutrition
Calories: 370kcal | Carbohydrates: 36g | Protein: 20g | Fat: 15g | Saturated Fat: 8g | Cholesterol: 42mg | Sodium: 1202mg | Potassium: 692mg | Fiber: 1g | Sugar: 7g | Vitamin A: 370IU | Vitamin C: 3.9mg | Calcium: 281mg | Iron: 2.6mg
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