Ingredients
2 cups thinly sliced onions1/2 cup butter, cubed1/4 cup all-purpose flour2 cups chicken broth2 cups 2% milk1-1/2 to 2 cups shredded part-skim mozzarella cheeseSalt and pepper to tasteCroutons, optional
Preparation
In a large saucepan, cook onions in butter over low heat until tender and transparent, about 20 minutes.
Stir in flour. Gradually add broth and milk; cook and stir over medium heat until bubbly. Cook and stir for 1 minute longer; reduce heat to low. Add mozzarella cheese and stir constantly until melted (do not boil). Season to taste with salt and pepper. Serve with croutons if desired.
