This version of French Onion Soup is pure bliss. The classic comfort food provides a decadent display of a warm soup bowl topped with bread slices and sprinkles of freshly grated Parmesan and Mozzerella cheeses.
1/4 cup butter
3 cups onion, sliced
1 tablespoon sugar
1 teaspoon salt
2 tablespoons all-purpose flour
4 cups low-sodium beef broth
1/4 cup dry white wine or beef broth
6 slices French bread
1/2 cup grated Parmesan cheese
1/2 cup shredded mozzarella cheese
How to Make It
Melt butter in a skillet over medium heat. Add onion; cook for 15 to 20 minutes, or until soft. Stir in sugar and salt; continue to cook and stir until golden. Add flour; mix well. Combine onion mixture, broth and wine or broth in a 4-quart slow cooker. Cover and cook on high setting for 3 to 4 hours. Ladle soup into oven-proof bowls. Top with bread slices; sprinkle with cheeses. Broil until cheese is bubbly and melted.