Classic French Onion Soup Gratinée

Ingredients

• 4 tablespoons unsalted butter
• 2 pounds yellow onions thinly sliced
• 1 teaspoon sugar
• 1/2 teaspoon salt
• 1/2 cup dry white wine
• 6 cups beef stock
• 1 teaspoon fresh thyme leaves
• 1 bay leaf bay leaf
• 8 slices baguette toasted
• 2 cups Gruyère cheese grated

Instructions

1. 1 Melt the butter in a large pot over medium heat.
2. 2 Add the sliced onions and cook, stirring occasionally, until they are soft and caramelized, about 25 minutes.
3. 3 Sprinkle the sugar and salt over the onions and continue to cook for another 5 minutes.
4. 4 Add the white wine and scrape up any browned bits from the bottom of the pot.
5. 5 Stir in the beef stock, thyme, and bay leaf. Bring to a boil, then reduce the heat and simmer for 20 minutes.
6. 6 Preheat your oven's broiler.
7. 7 Place the baguette slices on a baking sheet and toast them under the broiler until golden brown.
8. 8 Remove the bay leaf from the soup and adjust the seasoning with more salt if needed.
9. 9 Ladle the soup into ovenproof bowls and place the toasted baguette slices on top.
10. 10 Sprinkle the grated Gruyère cheese generously over the bread and soup.
11. 11 Place the bowls on a baking sheet and broil until the cheese is bubbly and golden brown.
12. 12 Carefully remove from the oven and serve hot.