This classic French Onion Soup recipe features deeply caramelized onions in a rich beef broth, topped with a cheesy bread crouton. It's a comforting and flavorful dish perfect for a cozy meal.
For extra flavor, you can add a sprig of fresh thyme or a bay leaf to the soup while it simmers. Be patient with the caramelization process; it's key to a delicious French Onion Soup.