French Onion Soup

Ingredients:
2 teaspoons olive oil
4 cups thinly vertically sliced sweet onion
4 cups thinly vertically sliced red onion
1/2 teaspoon sugar
1/2 teaspoon salt
1/2 teaspoon pepper
8 cups less-sodium beef broth
1/4 teaspoon chopped fresh thyme
8 slices French bread, cut into 1-inch cubes
Olive Oil cooking spray
8 slices reduced-fat, reduced sodium Swiss cheese

Directions:
1. Heat olive oil in a Dutch oven over medium-high heat. Add onions, saute until tender.
2. Stir in sugar, salt and pepper. Cook for 20 minutes or medium heat. Stir in broth and thyme; bring to a boil. Cover; reduce heat and simmer for 2 hours.
3. Preheat broiler. Place bread cubes in a single layer and spray with olive oil cooking spray. Broil for 2 minutes or until toasted. Place 8 oven-proof bowls on a rimmed baking sheet. Ladle 1 cup soup into each bowl. Divide bread evenly among the bowls and top with cheese slice. Broil for about 3 minutes or until cheese begins to brown.