Pour in wine, and scrape any browned bits off the bottom of the pot.
Add beef broth, bay leaves, and thyme. Season with salt and pepper.
Bring to a boil, then reduce heat and simmer for 30 minutes.
Preheat the oven broiler.
Ladle soup into oven-safe bowls. Top each with a slice of toasted baguette and a generous amount of Gruyère.
Broil until cheese is bubbly and golden brown.
Prep Time: 10 minutes | Cooking Time: 1 hour 20 minutes | Total Time: 1 hour 30 minutes
Kcal: 300 per serving | Servings: 6
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