Traditional French Onion Soup

Experience the rich flavors of our Traditional French Onion Soup, a deeply caramelized onion dish that warms the soul. Perfect for cozy nights in, this classic soup is a must-try for any French cuisine enthusiast.
Prep time: 15 minutes
Cook time: 1 hour
Serves: 4

Ingredients

6 large yellow onions
4 tablespoons unsalted butter
2 tablespoons olive oil
1 teaspoon salt
1/2 teaspoon pepper
2 cups beef broth
2 cups chicken broth
1 cup dry white wine
1 tablespoon all-purpose flour
1/2 teaspoon sugar
1 baguette, sliced
2 cups Gruyere cheese, grated

Instructions

1. Peel and thinly slice onions.
2. In a large pot, melt butter with olive oil over medium heat.
3. Add onions, salt, and pepper; cook over medium-low heat for 30 minutes, stirring occasionally.
4. Sprinkle sugar to aid caramelization, continue to cook until onions are golden brown and caramelized, about 15 more minutes.
5. Stir in flour and cook for 2 minutes.
6. Add white wine, deglazing the pot, then add beef and chicken broth.
7. Bring to a simmer and cook for 20 minutes.
8. Preheat oven to 350°F.
9. Place baguette slices on a baking sheet and toast in oven for 10 minutes.
10. Ladle soup into oven-safe bowls, top with toasted baguette slices, and sprinkle generously with Gruyere cheese.
11. Place bowls on a baking sheet and bake until cheese is melted and bubbly, about 10 minutes.

Storage

Refrigerate in an airtight container for up to 3 days.

Reheating

Reheat gently on the stove over low heat until warm, or microwave at medium power in 1-minute intervals.

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This recipe is for informational purposes only. Always follow proper food safety practices, cook foods to safe internal temperatures, and store leftovers appropriately. Results may vary.