Ingredients: bread, red onion, leek, thyme, onion, beef broth, parmesan, swiss cheese, butter, shallot, red wine
Three-Onion French Onion Soup
floatingkitchen.net
Ingredients: bread, red onion, leek, thyme, onion, beef stock, flour, gruyere, butter, white wine, brown sugar, extra virgin olive oil, bay leaf, sherry, garlic