8 (3/4-inch thick) slices French bread, toasted
8 slices mozzarella cheese
1/2 cup grated Parmesan cheeseInstructions
Sauté onion in butter in a 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 for 15 minutes. Add pepper.
Place eight ovenproof serving bowls on a baking sheet. Place one bread slice in each bowl; ladle soup over bread. Top with one slice of mozzarella cheese; sprinkle with Parmesan cheese. Broil six inches from heat until cheese melts.