Onion Soup with Madeira Wine - CookSoups

Ingredients

• 3 large onions (about 1.5 lb), peeled and thinly sliced
• 5 tablespoons unsalted butter
• 2 tablespoons all-purpose flour
• 1 cup dry white wine
• 4 cups chicken or beef broth
• 3-4 tablespoons Madeira wine
• 2 bay leaves
• 1 teaspoon fresh thyme leaves
• 4 slices crusty baguette, toasted
• 1 cup Gruyere cheese, finely grated
• Salt and pepper to taste