French Onion Soup - Low Fat

• 1 tablespoon butter, unsalted
• 2 tablespoons olive oil or vegetable oil
• 3 pounds onions about 6 large, halved and thinly sliced
• 4 tablespoon garlic minced, or to taste
• 1/2 teaspoon salt or to taste
• 2 tablespoons flour, all-purpose
• 6 cups stock vegetable, reduced salt
• 1/2 cup sherry wine
• 1 1/2 teaspoons dijon mustard
• 1 1/2 teaspoons red wine vinegar or sherry vinegar
• 6 slices whole wheat bread toasted, 1/2-inch
• 23 cup gruyere cheese or swiss cheese, shredded

1. Heat butter and oil in heavy, large saucepan over medium heat.
2. Add onions, garlic and salt, and cook for 5 minutes, stirring often.
3. Reduce heat to very low, and cook, stirring occasionally, about 60 minutes, or until onions are very tender and brown.
4. Then stir in flour, and cook 4 minutes, keep stirring.
5. Stir in broth, sherry and mustard.
6. Cover and simmer for 15 minutes, stirring often.
7. Put in sherry vinegar.
8. Preheat broiler.
9. Place soup into six heatproof bowls.
10. Top each with one slice of toast and grated cheese.
11. Broil until cheese is bubbly and golden, about 1 to 2 minutes.
12. Watch it carefully, do not burn.
13. Serve hot.

butter, olive oil, onions, garlic, salt, flour, stock vegetable, sherry wine, mustard, red wine vinegar, whole wheat bread, gruyere cheese

Taken from recipeland.com/recipe/v/french-onion-soup-low-fat-50079 (may not work)