Classic French Onion Soup

Instructions

1. 1

   In a large pot, heat the butter and olive oil over medium heat.

2. 2

   Add the sliced onions and cook, stirring occasionally, until they are caramelized and golden brown, about 25-30 minutes.

3. 3

   Add the dry white wine to the pot and bring to a boil. Cook until the wine has reduced by half, about 5 minutes.

4. 4

   Add the beef broth, thyme, and bay leaf to the pot. Bring to a simmer and cook for another 20 minutes.

5. 5

   Preheat the oven to 400°F (200°C).

6. 6

   Place the slices of French bread on a baking sheet and toast in the oven until golden brown, about 5-7 minutes.

7. 7

   Ladle the soup into oven-safe bowls and place a slice of toasted French bread on top of each bowl.

8. 8

   Sprinkle the grated Gruyere cheese evenly over the bread.

9. 9

   Place the bowls on a baking sheet and bake in the oven until the cheese is melted and bubbly, about 10 minutes.

10. 10

    Carefully remove the bowls from the oven and let cool slightly before serving. Enjoy your Classic French Onion Soup!