Caramelized onions, melted cheese, and warm, aromatic broth are the quintessential components of this bistro classic. It's perhaps one of the most comforting dishes to make at home, and we've come up with four variations so you can do just that.
First up is our most classic recipe. It's worth the effort to make your own stock for this supersimple soup, but if you want to save time, you can use store-bought lower-sodium broth. You'll need to reduce the amount of salt you add to the soup by half.