The
Secret Ingredient That Elevates This Onion Soup
Slowly cook onions on low heat until golden and fragrant.
Yellow onions work best for sweet, flavorful onion soup.
Swap Gruyère with Emmental, Comté, or Cheddar if preferred.
Use beef broth for deep flavor and hearty soup base.
Add thyme, bay leaves, or wine for bold flavor.
Substitute with rich broth or flavorful stock instead.
Serve with salad, roasted veggies, or warm grilled bread.
Broil soup topped with cheese for irresistible, stringy cheese pull.
Use slow cooker for hands-off, deeply rich onion soup.