Double Cheese French Onion Soup - cooking recipe

Ingredients

4 large onions, thinly sliced and separated into rings
1/2 cup butter, melted
1 tablespoon all-purpose flour
1 (10 3/4 ounce) can beef broth, undiluted
1 (10 3/4 ounce) can chicken broth, undiluted
2 cups water
1/4 cup dry white wine
1/8 - 1/4 teaspoon pepper
French bread, toasted
8 slices mozzarella cheese or 8 slices provolone cheese
1/2 cup grated parmesan cheese

Preparation

Saute onion in butter in Dutch oven until tender. Blend in flour, stirring until smooth. Gradually add chicken broth, beef broth, water, and wine. Bring to a boil; reduce heat and simmer 15 minutes. Add pepper.
place 8 ovenproof serving bowls on a baking sheet. Place 1 bread slice in each bowl, ladle soup over bread. Top with 1 cheese slice; sprinkle with parmesan. Broil 8 inches from heat until cheese melts.