Classic French Onion Soup

Instructions

1. 1

   Peel and thinly slice the onions.

2. 2

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

3. 3

   Add the sliced onions to the pot and stir to coat them in the oil and butter.

4. 4

   Cook the onions, stirring occasionally, until they are soft and caramelized, about 25-30 minutes.

5. 5

   Sprinkle the sugar, salt, and black pepper over the onions and stir well.

6. 6

   Add the dry white wine to the pot and bring to a simmer, scraping up any browned bits from the bottom of the pot.

7. 7

   Pour in the beef broth and bring the soup to a boil.

8. 8

   Reduce the heat and let the soup simmer for about 20 minutes.

9. 9

   Preheat your oven's broiler.

10. 10

    Place the baguette slices on a baking sheet and toast them under the broiler until golden brown.

11. 11

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

12. 12

    Sprinkle the grated Gruyère cheese over the baguette slices.

13. 13

    Place the bowls under the broiler until the cheese is melted and bubbly.

14. 14

    Carefully remove the bowls from the oven and serve the soup hot.