French Onion Soup - cooking recipe

Ingredients

1/4 c. olive oil
1/4 c. butter or margarine
8 medium onions, thinly sliced and separated into rings
6 c. beef broth
2 Tbsp. sugar
1/4 tsp. pepper
3/4 tsp. salt
4 to 5 slices toasted French bread
1 (6 oz.) pkg. Mozzarella cheese, sliced and cut in halves
grated Parmesan cheese

Preparation

Combine oil and butter in a large Dutch oven. Heat until butter melts.
Add onions and saute until tender. Add broth, sugar, salt and pepper. Bring to a boil. Reduce heat and simmer soup mixture 20 minutes.
Place toasted bread in individual soup bowls.
Add soup and top with cheese slice.
Sprinkle with Parmesan cheese.