Classic French Onion Soup

Ingredients

• 4 pounds yellow onions peeled and thinly sliced
• 3 tablespoons butter
• 4 cloves garlic minced
• 3 tablespoons flour
• 1/2 cup dry white wine
• 6 cups beef stock
• 1 teaspoon Worcestershire sauce
• 1 bay leaf
• 3 sprigs thyme
• Fine sea salt u0026 freshly-cracked black pepper
• A French baguette
• Grated cheese such as gruyere asiago gouda or mozzarella