French Onion Soup

Name: French Onion Soup
Prep time: 15 min
Cook time: 2 h
Total time: 2 h 15 min
Cuisine: European, Mediterranean, French
Ingredients: 6 Large yellow onions; 1 quart Beef broth; 2 tablespoons Butter; 2 tablespoons Olive oil; 1/2 cup Dry white wine; 2 tablespoons Cognac (Optional); 2 Bay leaves; 5 Sprigs of dry thyme; Gruyère Croutons; 4-6 slices French baguette; 1/2 cup Gruyère (Grated); 1 clove Garlic