Can you recommend a classic and delicious French onion soup recipe?

If you're looking for a classic and delicious French onion soup recipe, look no further! This recipe is easy to follow and produces a soup that is rich, savory, and oh-so-comforting. Here's what you'll need:

• 4 large onions, thinly sliced
• 4 tablespoons butter
• 2 tablespoons all-purpose flour
• 6 cups beef broth
• 1/2 cup dry white wine
• 1 teaspoon dried thyme
• Salt and black pepper to taste
• 8 slices of French bread
• 1 1/2 cups grated Gruyere cheese

1. In a large soup pot, melt the butter over medium heat. Add the sliced onions and cook, stirring frequently, until the onions are caramelized and golden brown, about 30 minutes.

2. Sprinkle the flour over the onions and stir to combine. Cook for 1-2 minutes, until the flour is lightly browned.

3. Add the beef broth, white wine, thyme, salt, and black pepper to the pot. Bring the soup to a boil, then reduce the heat and simmer for 20-30 minutes.

4. Preheat your oven to 350 degrees F. Toast the slices of French bread until lightly browned.

5. Ladle the soup into oven-safe bowls. Place a slice of toasted French bread on top of each bowl, and sprinkle the grated Gruyere cheese over the bread.

6. Place the bowls on a baking sheet and bake for 10-15 minutes, until the cheese is melted and bubbly.

7. Serve hot and enjoy!