Buttery Onion Soup - cooking recipe

Ingredients

2 c. thinly sliced onions
1/4 c. flour
2 c. milk
salt and pepper to taste
1/2 c. butter or margarine
2 c. chicken broth
1 1/2 to 2 c. Mozzarella cheese
croutons (optional)

Preparation

In a large kettle, saute onions in butter over low heat until tender and transparent, about 20 to 30 minutes.
Blend in flour. Gradually add broth and milk; cook and stir over medium heat until bubbly.
Cook and stir 1 minute more; reduce heat to low.
Add cheese and stir constantly until melted.
Do not boil.
Season to taste.
Serve with croutons.