French Onion Soup - cooking recipe

Ingredients

1/3 c. vegetable oil
7 c. thinly sliced onions
1/4 c. cornstarch
10 c. beef stock
salt and pepper
1 loaf or 8 to 10 slices French bread
8 oz. Mozzarella, grated
1/4 c. grated Parmesan

Preparation

Cook onions in vegetable oil at medium heat for 40 minutes. Stir in cornstarch for 2 to 3 minutes.
Remove from heat.
Heat stock in a 4 1/2-quart pan.
Add onions; cover and partially simmer for 40 minutes.
Skim froth as it appears.
Add salt and pepper.
Place bread in a casserole; ladle soup over bread and cover generously with Mozzarella and Parmesan.
Bake at 375\u00b0 for 10 to 20 minutes or until cheese is bubbly and brown.